Administration Guide
Page 6
...Configuring SDP Payload Types Configuring SIP Settings for Extensions Configuring SPCP on the SPA525G Network Address Translation (NAT) and Cisco IP Phones NAT Mapping with Session Border Controller NAT Mapping with SIP-ALG Router Configuring NAT Mapping with a Static... Asymmetric NAT Chapter 6: Configuring Security, Quality, and Network Features Setting Security Features SIP Initial INVITE and MWI Challenge SIP Over TLS SRTP and Securing Calls Ensuring Voice Quality Supported Codecs Bandwidth Requirements Factors Affecting Voice Quality Configuring Voice Codecs Configuring Domain and Internet ...
...Configuring SDP Payload Types Configuring SIP Settings for Extensions Configuring SPCP on the SPA525G Network Address Translation (NAT) and Cisco IP Phones NAT Mapping with Session Border Controller NAT Mapping with SIP-ALG Router Configuring NAT Mapping with a Static... Asymmetric NAT Chapter 6: Configuring Security, Quality, and Network Features Setting Security Features SIP Initial INVITE and MWI Challenge SIP Over TLS SRTP and Securing Calls Ensuring Voice Quality Supported Codecs Bandwidth Requirements Factors Affecting Voice Quality Configuring Voice Codecs Configuring Domain and Internet ...
Administration Guide
Page 104
...is larger for all jitter level settings. Defaults to up only, down . Defaults to 5060. The external SIP port number. 102 Cisco SPA and Wireless IP Phone Administration Guide Network Jitter Level Determines how jitter buffer size is larger, for higher jitter levels. Defaults to ...SIP Settings, configure the following fields: Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. Jitter Buffer Adjustment Controls how the jitter buffer should be adjusted. Select the appropriate setting: low, medium, high, very high, or ...
...is larger for all jitter level settings. Defaults to up only, down . Defaults to 5060. The external SIP port number. 102 Cisco SPA and Wireless IP Phone Administration Guide Network Jitter Level Determines how jitter buffer size is larger, for higher jitter levels. Defaults to ...SIP Settings, configure the following fields: Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. Jitter Buffer Adjustment Controls how the jitter buffer should be adjusted. Select the appropriate setting: low, medium, high, very high, or ...
Administration Guide
Page 117
... Features The following features help ensure that are secure and authenticated. • "SIP Initial INVITE and MWI Challenge" section on page 115 • "SIP Over TLS" section on page 116 • "SRTP and Securing Calls" section on the service provider network, which significantly increases the security of the VoIP network by.... The purpose of this challenge is to restrict the SIP servers that calls are permitted to configure security, quality, and network features for the phone. Cisco SPA and Wireless IP Phone Administration Guide 115
... Features The following features help ensure that are secure and authenticated. • "SIP Initial INVITE and MWI Challenge" section on page 115 • "SIP Over TLS" section on page 116 • "SRTP and Securing Calls" section on the service provider network, which significantly increases the security of the VoIP network by.... The purpose of this challenge is to restrict the SIP servers that calls are permitted to configure security, quality, and network features for the phone. Cisco SPA and Wireless IP Phone Administration Guide 115
Administration Guide
Page 118
... 2 Click Admin Login and advanced. STEP 5 Click Submit All Changes. 116 Cisco SPA and Wireless IP Phone Administration Guide SIP Over TLS Transport layer security (TLS) is reliable. • TLS Handshake Protocol -- allows authentication between the server and client and the negotiation of incoming...enables the challenging of an encryption algorithm and cryptographic keys before the application protocol transmits or receives any data. SIP Over TLS eliminates the possibility of malicious activity by encrypting the SIP messages by using symmetric data encryption and it ensures that the...
... 2 Click Admin Login and advanced. STEP 5 Click Submit All Changes. 116 Cisco SPA and Wireless IP Phone Administration Guide SIP Over TLS Transport layer security (TLS) is reliable. • TLS Handshake Protocol -- allows authentication between the server and client and the negotiation of incoming...enables the challenging of an encryption algorithm and cryptographic keys before the application protocol transmits or receives any data. SIP Over TLS eliminates the possibility of malicious activity by encrypting the SIP messages by using symmetric data encryption and it ensures that the...
Administration Guide
Page 257
...the support of 100REL SIP extension for reliable transmission of provisional responses (18x) and use of the SIP message listening and transmission port. Cisco SPA and Wireless IP Phone Administration Guide 255 Select the appropriate setting: low, medium, high, very high, or extremely high. Port ... down . Defaults to 5060. Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. SPA and Wireless IP Phone Field Reference Ext Tab B Parameter Network Jitter Level Jitter Buffer Adjustment SIP Settings Description Determines how jitter ...
...the support of 100REL SIP extension for reliable transmission of provisional responses (18x) and use of the SIP message listening and transmission port. Cisco SPA and Wireless IP Phone Administration Guide 255 Select the appropriate setting: low, medium, high, very high, or extremely high. Port ... down . Defaults to 5060. Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. SPA and Wireless IP Phone Field Reference Ext Tab B Parameter Network Jitter Level Jitter Buffer Adjustment SIP Settings Description Determines how jitter ...