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
... appropriate setting: up and down, up and down only, or disable. Defaults to up only, down . The external SIP port number. 102 Cisco SPA and Wireless IP Phone Administration Guide Select the appropriate setting: low, medium, high, very high, or extremely high. STEP 5 Under SIP Settings..., configure the following fields: Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. To enable the support of 100REL SIP extension for higher jitter levels. Defaults to high. Network Jitter Level Determines how jitter buffer size...
... appropriate setting: up and down, up and down only, or disable. Defaults to up only, down . The external SIP port number. 102 Cisco SPA and Wireless IP Phone Administration Guide Select the appropriate setting: low, medium, high, very high, or extremely high. STEP 5 Under SIP Settings..., configure the following fields: Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or TLS. To enable the support of 100REL SIP extension for higher jitter levels. Defaults to high. Network Jitter Level Determines how jitter buffer size...
Administration Guide
Page 117
The purpose of the VoIP network by the endpoint. Cisco SPA and Wireless IP Phone Administration Guide 115 6 Configuring Security, Quality, and Network Features This chapter describes how to interact with the devices on page ... 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 this challenge is to...
The purpose of the VoIP network by the endpoint. Cisco SPA and Wireless IP Phone Administration Guide 115 6 Configuring Security, Quality, and Network Features This chapter describes how to interact with the devices on page ... 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 this challenge is to...
Administration Guide
Page 118
...the connection is a standard protocol for securing and authenticating communications over TLS for added security. STEP 5 Click Submit All Changes. 116 Cisco SPA and Wireless IP Phone Administration Guide SIP Over TLS eliminates the possibility of malicious activity by encrypting the SIP messages by... using symmetric data encryption and it ensures that SIP Over TLS encrypts only the signaling messages and ...
...the connection is a standard protocol for securing and authenticating communications over TLS for added security. STEP 5 Click Submit All Changes. 116 Cisco SPA and Wireless IP Phone Administration Guide SIP Over TLS eliminates the possibility of malicious activity by encrypting the SIP messages by... using symmetric data encryption and it ensures that SIP Over TLS encrypts only the signaling messages and ...
Administration Guide
Page 257
..., the starting jitter buffer size value is larger, for higher jitter levels. Jitter buffer size is adjusted dynamically. Port number of PRACK requests, select yes. Cisco SPA and Wireless IP Phone Administration Guide 255 Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or...
..., the starting jitter buffer size value is larger, for higher jitter levels. Jitter buffer size is adjusted dynamically. Port number of PRACK requests, select yes. Cisco SPA and Wireless IP Phone Administration Guide 255 Parameter SIP Transport SIP Port SIP 100REL Enable EXT SIP Port Description Select from UDP, TCP, or...