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..., page 31 The Cisco SPA and Wireless-G IP Phone family is a line of traditional business phones, such as call forwarding, redialing, speed dialing, transferring calls, conference calling and accessing voice mail. Calls can be made or received with a handset, a headset, or a speaker. They provide all the features of full-featured VoIP (Voice over Internet Protocol...
..., page 31 The Cisco SPA and Wireless-G IP Phone family is a line of traditional business phones, such as call forwarding, redialing, speed dialing, transferring calls, conference calling and accessing voice mail. Calls can be made or received with a handset, a headset, or a speaker. They provide all the features of full-featured VoIP (Voice over Internet Protocol...
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...phone models: • SPA922-Single-line VoIP phone. • SPA941/942-Four-line VoIP phone with high-resolution monochromatic display. • SPA962-Six-line VoIP phone with high-resolution color display. • SPA525G-Five-line VoIP phone with high-resolution color display and configurable protocol (SIP or SCCP). • WIP310-Single-line Wireless-G IP phone...available for each product. 16 Cisco SPA and Wireless IP Phone Administration Guide 2 Getting Started Overview The Cisco SPA and Wireless-G IP Phone family includes the following table: Phone Model SPA525G SPA922 SPA 942 ...
...phone models: • SPA922-Single-line VoIP phone. • SPA941/942-Four-line VoIP phone with high-resolution monochromatic display. • SPA962-Six-line VoIP phone with high-resolution color display. • SPA525G-Five-line VoIP phone with high-resolution color display and configurable protocol (SIP or SCCP). • WIP310-Single-line Wireless-G IP phone...available for each product. 16 Cisco SPA and Wireless IP Phone Administration Guide 2 Getting Started Overview The Cisco SPA and Wireless-G IP Phone family includes the following table: Phone Model SPA525G SPA922 SPA 942 ...
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...voice over IP (VoIP) telephone system that supports SIP. The SPA9000 Voice System uses standard TCP/IP protocols and can attach two attendant consoles to an IP phone, for 64 LEDs/buttons. NOTE Using the Cisco SPA IP and Wireless-G phones as part of a Cisco SPA9000 Voice System ...Protocol (SIP) or (SPA525G only) Smart Phone Control Protocol (SPCP). however, your service provider. You can be used by your configuration may vary depending on the type of equipment used as part of the Cisco Unified Communications 500 Series for Small Business. For more information, see Chapter 9, "...
...voice over IP (VoIP) telephone system that supports SIP. The SPA9000 Voice System uses standard TCP/IP protocols and can attach two attendant consoles to an IP phone, for 64 LEDs/buttons. NOTE Using the Cisco SPA IP and Wireless-G phones as part of a Cisco SPA9000 Voice System ...Protocol (SIP) or (SPA525G only) Smart Phone Control Protocol (SPCP). however, your service provider. You can be used by your configuration may vary depending on the type of equipment used as part of the Cisco Unified Communications 500 Series for Small Business. For more information, see Chapter 9, "...
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... includes a SPA9000 IP PBX and one or more information, see the Cisco SPA9000 Voice System Administration Guide. 18 Cisco SPA and Wireless IP Phone Administration Guide For more SPA900 series IP phones. The SPA400 also provides local voice mail service. These devices are available...: • Auto attendant for multiple extensions • Music on hold • Configurable call routing • Multiple DID numbers per VoIP...
... includes a SPA9000 IP PBX and one or more information, see the Cisco SPA9000 Voice System Administration Guide. 18 Cisco SPA and Wireless IP Phone Administration Guide For more SPA900 series IP phones. The SPA400 also provides local voice mail service. These devices are available...: • Auto attendant for multiple extensions • Music on hold • Configurable call routing • Multiple DID numbers per VoIP...
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...call control features. To enable VoIP to co-exist with STUN, page 111 Cisco SPA and Wireless IP Phone Administration Guide 109 STEP 4 Under System Configuration, in the SPA525-auto-detect-sccp field, choose yes. Network Address Translation (NAT) and Cisco IP Phones NAT is a function that ...address to translate public and private IP addresses. Some ITSPs provide NAT traversal, but some form of a Cisco Unified Communications System. STEP 5 (Optional) To configure the phone to automatically detect the protocol being used as part of NAT traversal is required. Configuring SIP, SPCP, ...
...call control features. To enable VoIP to co-exist with STUN, page 111 Cisco SPA and Wireless IP Phone Administration Guide 109 STEP 4 Under System Configuration, in the SPA525-auto-detect-sccp field, choose yes. Network Address Translation (NAT) and Cisco IP Phones NAT is a function that ...address to translate public and private IP addresses. Some ITSPs provide NAT traversal, but some form of a Cisco Unified Communications System. STEP 5 (Optional) To configure the phone to automatically detect the protocol being used as part of NAT traversal is required. Configuring SIP, SPCP, ...
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... MWI Challenge SIP INVITE (initial) and MWI message in a session can be challenged by preventing malicious attacks against the device. Cisco SPA and Wireless IP Phone Administration Guide 115 It contains the following sections: • "Setting Security Features" section on page 115 • "Ensuring Voice... on page 116 • "SRTP and Securing Calls" section on the service provider network, which significantly increases the security of the VoIP network by the endpoint. The purpose of this challenge is to restrict the SIP servers that calls are permitted to configure security, quality...
... MWI Challenge SIP INVITE (initial) and MWI message in a session can be challenged by preventing malicious attacks against the device. Cisco SPA and Wireless IP Phone Administration Guide 115 It contains the following sections: • "Setting Security Features" section on page 115 • "Ensuring Voice... on page 116 • "SRTP and Securing Calls" section on the service provider network, which significantly increases the security of the VoIP network by the endpoint. The purpose of this challenge is to restrict the SIP servers that calls are permitted to configure security, quality...
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... Requirements Depending on how you have your IP phones configured, each call requires 55 to the ISP. Cisco recommends using the Cisco IP phones with no silence suppression • 20 millisecond of silence suppression can prioritize the VoIP application traffic. The following assumptions: • ... the packets going upstream to 110 kbps in each direction) using G.729 as the voice codec setting, and with an average business-grade broadband Internet connection supporting 1.5 Mbps downstream and 384 kbps upstream, a total of seven (7) simultaneous conversations can be reliably ...
... Requirements Depending on how you have your IP phones configured, each call requires 55 to the ISP. Cisco recommends using the Cisco IP phones with no silence suppression • 20 millisecond of silence suppression can prioritize the VoIP application traffic. The following assumptions: • ... the packets going upstream to 110 kbps in each direction) using G.729 as the voice codec setting, and with an average business-grade broadband Internet connection supporting 1.5 Mbps downstream and 384 kbps upstream, a total of seven (7) simultaneous conversations can be reliably ...
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...more information about bandwidth calculation, refer to the following websites: http://www.erlang.com/calculator/lipb/ http://www.packetizer.com/voip/diagnostics/bandcalc.html Factors Affecting Voice Quality The following factors contribute to voice quality: • Audio compression algorithm-Speech signals...For more transmission bandwidth. For IP Telephony, speech signals are usually sampled at the same bit rate. • Silence suppression-Cisco IP phones apply silence suppression so that can generate artificial comfort noise (comfort noise generator, or CNG). • Packet loss-Audio ...
...more information about bandwidth calculation, refer to the following websites: http://www.erlang.com/calculator/lipb/ http://www.packetizer.com/voip/diagnostics/bandcalc.html Factors Affecting Voice Quality The following factors contribute to voice quality: • Audio compression algorithm-Speech signals...For more transmission bandwidth. For IP Telephony, speech signals are usually sampled at the same bit rate. • Silence suppression-Cisco IP phones apply silence suppression so that can generate artificial comfort noise (comfort noise generator, or CNG). • Packet loss-Audio ...
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...to associate the device with the new account, based on the URL and the supplied PIN. To do so, the unprovisioned Cisco IP phone is the PIN number of units. The URL command typically includes an account PIN number or alphanumeric code to resync with ...the particular device to a particular service. Provisioning Basics Retail Provisioning 7 Retail Provisioning The Cisco IP phone includes an web UI that is automatically directed to resync thereafter to the service and establishes a VoIP account, possibly through a resync URL command. The remote provisioning server is configured to ...
...to associate the device with the new account, based on the URL and the supplied PIN. To do so, the unprovisioned Cisco IP phone is the PIN number of units. The URL command typically includes an account PIN number or alphanumeric code to resync with ...the particular device to a particular service. Provisioning Basics Retail Provisioning 7 Retail Provisioning The Cisco IP phone includes an web UI that is automatically directed to resync thereafter to the service and establishes a VoIP account, possibly through a resync URL command. The remote provisioning server is configured to ...
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To use a different VoIP service. The Cisco IP phone supports the Rivest, Shamir, and Adelman (RSA) algorithm for public/ private key cryptography. Server Certificates Each secure provisioning server is issued an secure sockets layer (SSL) server certificate, directly signed by Cisco, including identifying information about Cisco SPA and Wireless IP Phone Administration Guide 145 Without the private...
To use a different VoIP service. The Cisco IP phone supports the Rivest, Shamir, and Adelman (RSA) algorithm for public/ private key cryptography. Server Certificates Each secure provisioning server is issued an secure sockets layer (SSL) server certificate, directly signed by Cisco, including identifying information about Cisco SPA and Wireless IP Phone Administration Guide 145 Without the private...
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...following valid target number according to a subscriber's VoIP device (the mirror). The * codes should not conflict with the Refer-To target equals to perform further processing, such as in normal dialing). Cisco SPA and Wireless IP Administration Phone Guide 8 156 Configuring Regional Parameters and Supplementary ...on the source's capabilities, the SP can be causing issues in VoIP calls to the dial plan as call provides statistical reporting on hold (by Hook Flash) and is prepended by the Cisco IP phone. The maximum total length is validated according to a subscriber. After...
...following valid target number according to a subscriber's VoIP device (the mirror). The * codes should not conflict with the Refer-To target equals to perform further processing, such as in normal dialing). Cisco SPA and Wireless IP Administration Phone Guide 8 156 Configuring Regional Parameters and Supplementary ...on the source's capabilities, the SP can be causing issues in VoIP calls to the dial plan as call provides statistical reporting on hold (by Hook Flash) and is prepended by the Cisco IP phone. The maximum total length is validated according to a subscriber. After...