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...31 DNS1IP 5-31 DNS2IP 5-31 UDPTOS 5-32 SigTimer 5-32 OpFlags 5-34 VLANSetting 5-35 Optional Feature Parameters 5-35 NPrintf 5-36 TraceFlags 5-36 RingOnOffTime 5-37 IPDialPlan 5-38 DialPlan 5-38 About Dial Plan Commands 5-39 Dial Plan Blocking (In Rule) 5-41 'H' Rule to Support Hot/Warm Line 5-41 'P' Rule to Support Dial Prefix 5-42 Call... 5-42 Tone Parameter Syntax 5-42 How to Calculate Scaling Factors 5-43 Recommended Values 5-44 Specific Call-Progress Tone Parameter Information 5-44 CallCmd 5-47 Contents Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) vii
...31 DNS1IP 5-31 DNS2IP 5-31 UDPTOS 5-32 SigTimer 5-32 OpFlags 5-34 VLANSetting 5-35 Optional Feature Parameters 5-35 NPrintf 5-36 TraceFlags 5-36 RingOnOffTime 5-37 IPDialPlan 5-38 DialPlan 5-38 About Dial Plan Commands 5-39 Dial Plan Blocking (In Rule) 5-41 'H' Rule to Support Hot/Warm Line 5-41 'P' Rule to Support Dial Prefix 5-42 Call... 5-42 Tone Parameter Syntax 5-42 How to Calculate Scaling Factors 5-43 Recommended Values 5-44 Specific Call-Progress Tone Parameter Information 5-44 CallCmd 5-47 Contents Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) vii
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... requests are sent to OutBoundProxy, when configured, instead of to 1 for SIP mode. 38 - Set to the configured GkOrProxy. SIP proxy server address or registrar 5 - Related Configuration Parameters • UseLoginID, page 5-11 • UID0, page 5-9 • UID1, page 5-9 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 4-2 OL-3410-01 Set to...
... requests are sent to OutBoundProxy, when configured, instead of to 1 for SIP mode. 38 - Set to the configured GkOrProxy. SIP proxy server address or registrar 5 - Related Configuration Parameters • UseLoginID, page 5-11 • UID0, page 5-9 • UID1, page 5-9 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 4-2 OL-3410-01 Set to...
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... name. • One host is the same as defined in the INVITE message. Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 4-6 OL-3410-01 Related Parameter DialPlan, page 5-38 Disabling Access To The Web Interface To prevent tampering and unauthorized access to identify a ...caller based on the proxy or remote UA, including the Alert-Info header with _sip._udp. or sip.udp., the Cisco ATA performs a DNS SRV lookup for...
... name. • One host is the same as defined in the INVITE message. Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 4-6 OL-3410-01 Related Parameter DialPlan, page 5-38 Disabling Access To The Web Interface To prevent tampering and unauthorized access to identify a ...caller based on the proxy or remote UA, including the Alert-Info header with _sip._udp. or sip.udp., the Cisco ATA performs a DNS SRV lookup for...
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..., SigTimer, page 5-32 IDs for phone lines UID0, page 5-9, UID1, page 5-9 IP-like address in dial plan IPDialPlan, page 5-38 Login ID LoginID0, page 5-12, LoginID1, page 5-12 Low bit-rate codec LBRCodec, page 5-20 Mixing of tones ConnectMode, page 5-..., page 5-26 Refresh Cisco ATA using Web server OpFlags, page 5-34 REGISTER messages ConnectMode, page 5-28 Registration removal ConnectMode, page 5-28 Reset Cisco ATA using Web server OpFlags, page 5-34 Retransmission interval for NAT server NatTimer, page 5-19 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor ...
..., SigTimer, page 5-32 IDs for phone lines UID0, page 5-9, UID1, page 5-9 IP-like address in dial plan IPDialPlan, page 5-38 Login ID LoginID0, page 5-12, LoginID1, page 5-12 Low bit-rate codec LBRCodec, page 5-20 Mixing of tones ConnectMode, page 5-..., page 5-26 Refresh Cisco ATA using Web server OpFlags, page 5-34 REGISTER messages ConnectMode, page 5-28 Registration removal ConnectMode, page 5-28 Reset Cisco ATA using Web server OpFlags, page 5-34 Retransmission interval for NAT server NatTimer, page 5-19 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor ...
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...20, SigTimer, page 5-32 IDs for phone lines UID0, page 5-9, UID1, page 5-9 IP-like address in dial plan IPDialPlan, page 5-38 Login ID LoginID0, page 5-12, LoginID1, page 5-12 Low bit-rate codec LBRCodec, page 5-20 Mixing of tones ConnectMode, page 5-28..., page 5-26 Refresh Cisco ATA using Web server OpFlags, page 5-34 REGISTER messages ConnectMode, page 5-28 Registration removal ConnectMode, page 5-28 Reset Cisco ATA using Web server OpFlags, page 5-34 Retransmission interval for NAT server NatTimer, page 5-19 4-14 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor ...
...20, SigTimer, page 5-32 IDs for phone lines UID0, page 5-9, UID1, page 5-9 IP-like address in dial plan IPDialPlan, page 5-38 Login ID LoginID0, page 5-12, LoginID1, page 5-12 Low bit-rate codec LBRCodec, page 5-20 Mixing of tones ConnectMode, page 5-28..., page 5-26 Refresh Cisco ATA using Web server OpFlags, page 5-34 REGISTER messages ConnectMode, page 5-28 Registration removal ConnectMode, page 5-28 Reset Cisco ATA using Web server OpFlags, page 5-34 Retransmission interval for NAT server NatTimer, page 5-19 4-14 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor ...
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Value Type Integer Range 0 to another number. The Cisco ATA renews the registration at some percentage of seconds between Cisco ATA registration renewal with the SIP proxy server. Chapter 5 Parameters and Defaults SIP Parameters Default 0 Voice Configuration Menu Access Code 38 SIPRegInterval Description Use this parameter to configure the number of time earlier ... of times that a called number is allowed to forward the call to 10 Default 5 Voice Configuration Menu Access Code 205 OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 5-15
Value Type Integer Range 0 to another number. The Cisco ATA renews the registration at some percentage of seconds between Cisco ATA registration renewal with the SIP proxy server. Chapter 5 Parameters and Defaults SIP Parameters Default 0 Voice Configuration Menu Access Code 38 SIPRegInterval Description Use this parameter to configure the number of time earlier ... of times that a called number is allowed to forward the call to 10 Default 5 Voice Configuration Menu Access Code 205 OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 5-15
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...CoS bit value (802.1P priority) for firmware version 2.15 and 2.14ms, and above. If Bit 11=1, the Cisco ATA uses the device hostname that the Cisco ATA will not prompt the user for the UIPassword in these bits means that is for UDP packets. • Bits ... 5-6 OpFlags Parameter Operational Features to 31 with the value of the Cisco ATA Web Configuration Page: • NPrintf, page 5-36 • TraceFlags, page 5-36 • RingOnOffTime, page 5-37 • IPDialPlan, page 5-38 OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 5-35
...CoS bit value (802.1P priority) for firmware version 2.15 and 2.14ms, and above. If Bit 11=1, the Cisco ATA uses the device hostname that the Cisco ATA will not prompt the user for the UIPassword in these bits means that is for UDP packets. • Bits ... 5-6 OpFlags Parameter Operational Features to 31 with the value of the Cisco ATA Web Configuration Page: • NPrintf, page 5-36 • TraceFlags, page 5-36 • RingOnOffTime, page 5-37 • IPDialPlan, page 5-38 OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 5-35
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... and Defaults • DialPlan, page 5-38 • Call-Progress Tone Parameters, page 5-42 • CallCmd, page 5-47 NPrintf Description Use this parameter to turn on a host with default of a host to which comes bundled with the Cisco ATA software, is running on specific trace features...Description Use this parameter to specify the IP address and port of 0) has the following format: Recv[channel number]: 5-36 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 Syntax , Example If the program prserv.exe is needed to ...
... and Defaults • DialPlan, page 5-38 • Call-Progress Tone Parameters, page 5-42 • CallCmd, page 5-47 NPrintf Description Use this parameter to turn on a host with default of a host to which comes bundled with the Cisco ATA software, is running on specific trace features...Description Use this parameter to specify the IP address and port of 0) has the following format: Recv[channel number]: 5-36 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 Syntax , Example If the program prserv.exe is needed to ...
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...0-String is dialed as is set to 2, three asterisks (***) are required for IPDialPlan to customize the behavior of the Cisco ATA for collecting and sending dialed digits. Three values are currently undefined. Value Type Alphanumeric string Range Maximum number of dialed digits...2-When IPDialPlan is and not treated as an IP address. • 1-When the Cisco ATA detects two asterisks (**), IPDialPlan takes over. Voice Configuration Menu Access Code 926 5-38 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 Optional Feature Parameters Chapter ...
...0-String is dialed as is set to 2, three asterisks (***) are required for IPDialPlan to customize the behavior of the Cisco ATA for collecting and sending dialed digits. Three values are currently undefined. Value Type Alphanumeric string Range Maximum number of dialed digits...2-When IPDialPlan is and not treated as an IP address. • 1-When the Cisco ATA detects two asterisks (**), IPDialPlan takes over. Voice Configuration Menu Access Code 926 5-38 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 Optional Feature Parameters Chapter ...
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Some prserv packets might be entered in any packets sent from TS 19440 (seq# 41) Summary OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-13 Command-line options can be interpreted as the event list for each direction.... with the extension pcm for G.711A/G.711µ-law, 723 for G723.1, 729 for G729, t38 for T.38, and cfr for a connection. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services - is the NAI Sniffer capture file. - The reported events include voice codec change, NSE...
Some prserv packets might be entered in any packets sent from TS 19440 (seq# 41) Summary OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-13 Command-line options can be interpreted as the event list for each direction.... with the extension pcm for G.711A/G.711µ-law, 723 for G723.1, 729 for G729, t38 for T.38, and cfr for a connection. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services - is the NAI Sniffer capture file. - The reported events include voice codec change, NSE...
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...# 39 This indicates that rtpcatch detected two lost RTP packets in the audio path . This occurred at packet number 106. 7-14 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 FAX Summary 2 ---------- PATH: 2.213:10000 => 2.116:10002 [...• [ 106] 2 lost 0 pkts, fill 1 silence pkts ---------- Debugging the Cisco ATA 186/188 Fax Services Chapter 7 Configuring and Debugging Fax Services Explanation Input file: faxpassthru.cap : (G723) 2.213:10000 => 2.116:10002 total 38 pkts(70 frames), lost 0 pkts, fill 7 silence pkts : (G723) 2.116:10002...
...# 39 This indicates that rtpcatch detected two lost RTP packets in the audio path . This occurred at packet number 106. 7-14 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 FAX Summary 2 ---------- PATH: 2.213:10000 => 2.116:10002 [...• [ 106] 2 lost 0 pkts, fill 1 silence pkts ---------- Debugging the Cisco ATA 186/188 Fax Services Chapter 7 Configuring and Debugging Fax Services Explanation Input file: faxpassthru.cap : (G723) 2.213:10000 => 2.116:10002 total 38 pkts(70 frames), lost 0 pkts, fill 7 silence pkts : (G723) 2.116:10002...
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... (RFC2833) - event 200, T38 Fax Mode, V.21 Detected - Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services OL-3410-01 Summary Input file: faxpassthru.cap : (G723) 2.213:10000 => 2.116:10002 total 38 pkts(70 frames), lost packets - The NSE signaling packets were sent at and are G.723-compressed. The...
... (RFC2833) - event 200, T38 Fax Mode, V.21 Detected - Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services OL-3410-01 Summary Input file: faxpassthru.cap : (G723) 2.213:10000 => 2.116:10002 total 38 pkts(70 frames), lost packets - The NSE signaling packets were sent at and are G.723-compressed. The...
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...Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 event Cisco Fax Relay (with RTP payload type 97) Analyzing rtpcatch Output for Fax Sessions The following modes: • Cisco ATA fax mode • Cisco ATA fax pass-through mode • T.38 fax relay mode • Cisco... fax relay mode Example 7-1 Fax Mode ---------- event Cisco Fax Relay ACK (with RTP payload type 96) - FAX...
...Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01 event Cisco Fax Relay (with RTP payload type 97) Analyzing rtpcatch Output for Fax Sessions The following modes: • Cisco ATA fax mode • Cisco ATA fax pass-through mode • T.38 fax relay mode • Cisco... fax relay mode Example 7-1 Fax Mode ---------- event Cisco Fax Relay ACK (with RTP payload type 96) - FAX...
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Using rtpcatch to T.38 Example 7-5 Cisco Fax Relay ---------- Example 7-6 Cisco ATA Configuration Failure ---------- OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-17 Example 7-4 T38 Fax Relay Mode ---------- FAX Summary 1 ---------[ 15]3....Causes of Failure The following examples show the rtpcatch output of failed fax sessions. is ATA; FAX Summary 1 ---------- is a Cisco gateway. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services [ 136]2.53> Codec G711u/D [ 137]2.53> NSE PT 100,...
Using rtpcatch to T.38 Example 7-5 Cisco Fax Relay ---------- Example 7-6 Cisco ATA Configuration Failure ---------- OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-17 Example 7-4 T38 Fax Relay Mode ---------- FAX Summary 1 ---------[ 15]3....Causes of Failure The following examples show the rtpcatch output of failed fax sessions. is ATA; FAX Summary 1 ---------- is a Cisco gateway. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services [ 136]2.53> Codec G711u/D [ 137]2.53> NSE PT 100,...
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...Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-19 Example 7-10 Fax Pass-through with or without redundancy packets, RTCP packets and NSE packets. rtpcatch Limitations • rtpcatch performs optimally when analyzing capture files containing only one VoIP session. • rtpcatch detects only G.711A, G.711µ-law, G.723, G.729, T.38, Cisco.... • The Cisco ATA switches to G.711µ-law and then sends Cisco fax relay event packets. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services Example...
...Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 7-19 Example 7-10 Fax Pass-through with or without redundancy packets, RTCP packets and NSE packets. rtpcatch Limitations • rtpcatch performs optimally when analyzing capture files containing only one VoIP session. • rtpcatch detects only G.711A, G.711µ-law, G.723, G.729, T.38, Cisco.... • The Cisco ATA switches to G.711µ-law and then sends Cisco fax relay event packets. Chapter 7 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services Example...
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Debugging the Cisco ATA 186/188 Fax Services Chapter 7 Configuring and Debugging Fax Services • rtpcatch can handle a maximum of 20 prserv ports using the -port option. • rtpcatch may not detect T.38 packets correctly. 7-20 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01
Debugging the Cisco ATA 186/188 Fax Services Chapter 7 Configuring and Debugging Fax Services • rtpcatch can handle a maximum of 20 prserv ports using the -port option. • rtpcatch may not detect T.38 packets correctly. 7-20 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) OL-3410-01
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... the PHONE 1 port 13 User ID (telephone number) for the PHONE 2 port 93 Determines which port the Cisco ATA listens to for incoming SIP messages 38 Selects the signaling protocol 204 Enables SIP registration 203 Interval (in seconds) between each registration renewal to the SIP ... 36 Selects the audio codec type to use to use for authentication 305 Enables TFTP as configuration method OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) B-3 The call-receiving station automatically adjusts to the call-initiating station's ...
... the PHONE 1 port 13 User ID (telephone number) for the PHONE 2 port 93 Determines which port the Cisco ATA listens to for incoming SIP messages 38 Selects the signaling protocol 204 Enables SIP registration 203 Interval (in seconds) between each registration renewal to the SIP ... 36 Selects the audio codec type to use to use for authentication 305 Enables TFTP as configuration method OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) B-3 The call-receiving station automatically adjusts to the call-initiating station's ...
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... discovery setting 5-34 cfgfmt.exe tool 3-9, 3-11 CfgInterval parameter 3-2, 5-5 Cisco ATA route static configuration 5-7 Cisco ATA-specific configuration file 3-3 Cisco CallManager environment configuration setting 5-28 Cisco Discovery Protocol (CDP) 3-2 CLIP_CLIR 5-23 CLIP_CLIR setting 5-23, 5-24 ... 5-25 CallFeatures 5-23 CfgInterval 3-2, 5-5 ConnectMode 5-28, 7-3 DHCP 5-7 DialPlan 5-38 DNS1IP 5-31 DNS2IP 5-31 EncryptKey 3-11, 5-6, 9-5 FeatureTimer 5-26 Gateway 5-11 Gateway2 5-11 IN-2 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 78-3410-01
... discovery setting 5-34 cfgfmt.exe tool 3-9, 3-11 CfgInterval parameter 3-2, 5-5 Cisco ATA route static configuration 5-7 Cisco ATA-specific configuration file 3-3 Cisco CallManager environment configuration setting 5-28 Cisco Discovery Protocol (CDP) 3-2 CLIP_CLIR 5-23 CLIP_CLIR setting 5-23, 5-24 ... 5-25 CallFeatures 5-23 CfgInterval 3-2, 5-5 ConnectMode 5-28, 7-3 DHCP 5-7 DialPlan 5-38 DNS1IP 5-31 DNS2IP 5-31 EncryptKey 3-11, 5-6, 9-5 FeatureTimer 5-26 Gateway 5-11 Gateway2 5-11 IN-2 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 78-3410-01
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Index GkId 5-14 GkOrProxy 4-2, 4-10, 5-10 GkTimeToLive 5-14 IPDialPlan 5-38 LBRCodec 5-20 LoginID0 5-12 LoginID1 5-12 MAXRedirect 4-2, 5-15 MediaPort 4-7, 5-17 MediaPort parameter 4-2 NATIP 4-2, 4-7, 5-16, 5-29 NatServer 5-18 NatTimer 5-19 network timing 4-8 NPrintF 5-36 NTPIP 5-30...3-8 D datagram precedence 5-32 debugging 9-4 debugging, preserv.exe program 9-4 debugging diagnostics TraceFlags 4-5 default call waiting state 5-29 default configuration file 3-12 default values 3-8, 5-2 device hostname 5-35 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) IN-3
Index GkId 5-14 GkOrProxy 4-2, 4-10, 5-10 GkTimeToLive 5-14 IPDialPlan 5-38 LBRCodec 5-20 LoginID0 5-12 LoginID1 5-12 MAXRedirect 4-2, 5-15 MediaPort 4-7, 5-17 MediaPort parameter 4-2 NATIP 4-2, 4-7, 5-16, 5-29 NatServer 5-18 NatTimer 5-19 network timing 4-8 NPrintF 5-36 NTPIP 5-30...3-8 D datagram precedence 5-32 debugging 9-4 debugging, preserv.exe program 9-4 debugging diagnostics TraceFlags 4-5 default call waiting state 5-29 default configuration file 3-12 default values 3-8, 5-2 device hostname 5-35 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) IN-3
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... server usage 3-13 diagnostics 4-5 DialPlan 4-6 dial plan blocking 5-41 Dial Plan Commands 5-39 dial plan configuration 4-6 dial plan examples 5-40 DialPlan parameter 5-38 dial plans 5-38 dial plan syntax 5-39 DialTone 5-44 direct IP-to-IP calls 4-11 disabling access to Web interface 4-6 disabling CDP discovery 3-3 disabling use of DHCP... 7-7 G.711 codec only setting 5-23, 5-24 no fax tone detection setting 5-23, 5-24 no silence suppression setting 5-23, 5-24 fax mode configuration 7-6, 7-7 IN-4 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 78-3410-01
... server usage 3-13 diagnostics 4-5 DialPlan 4-6 dial plan blocking 5-41 Dial Plan Commands 5-39 dial plan configuration 4-6 dial plan examples 5-40 DialPlan parameter 5-38 dial plans 5-38 dial plan syntax 5-39 DialTone 5-44 direct IP-to-IP calls 4-11 disabling access to Web interface 4-6 disabling CDP discovery 3-3 disabling use of DHCP... 7-7 G.711 codec only setting 5-23, 5-24 no fax tone detection setting 5-23, 5-24 no silence suppression setting 5-23, 5-24 fax mode configuration 7-6, 7-7 IN-4 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 78-3410-01