Cisco SRP521W-K9-G1 Administration Guide - Page 163

Configuring Voice Configuring Voice Settings 6 Restrict Source IP Referor Bye Delay Refer Target Bye Delay Referee Bye Delay Refer-To Target Contact Sticky 183 If Lines 1 and 2 use the same SIP Port value and the Restrict Source IP feature is enabled, the proxy IP address for Lines 1 and 2 is treated as an acceptable IP address for both lines. To enable the Restrict Source IP feature, select yes. Otherwise, select no. If configured, the SRP will drop all packets sent to its SIP Ports originated from an untrusted IP address. A source IP address is untrusted if it does not match any of the IP addresses resolved from the configured Proxy (or Outbound Proxy if Use Outbound Proxy is yes). The default is no. Controls when the SRP sends BYE to terminate stale call legs upon completion of call transfers. Multiple delay settings (Referor, Refer Target, Referee, and Refer-To Target) are configured on this screen. For the Referor Bye Delay, enter the appropriate period of time in seconds. The default is 4. For the Refer Target Bye Delay, enter the appropriate period of time in seconds. The default is 0. For the Referee Bye Delay, enter the appropriate period of time in seconds. The default is 0. To contact the refer-to target, select yes. Otherwise, select no. The default is no. If this feature is enabled, the SRP ignores further 180 SIP responses after receiving the first 183 SIP response for an outbound INVITE. To enable this feature, select yes. Otherwise, select no. The default is no. Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models) 163