Cisco SPA962-NA Administration Guide - Page 115

Chapter 5 SPA900 Series Phone Field Reference SIP Tab EncapRTP Codec Name EncapRTP codec name for the encapsulating RTP payload type to be used in the rtpmap attribute in the SDP. Both sides must use the same name to interoperate properly. The default is EncapRTP. NAT Support Parameters Field Handle VIA received Handle VIA rport Insert VIA received Insert VIA rport Substitute VIA Addr Send Resp To Src Port STUN Enable Description If you select yes, the 900 Series phone processes the received parameter in the VIA header (this is inserted by the server in a response to anyone of its requests). If you select no, the parameter is ignored. Select yes or no from the drop-down menu. The default is no. If you select yes, the 900 Series phone processes the rport parameter in the VIA header (this is inserted by the server in a response to anyone of its requests). If you select no, the parameter is ignored. Select yes or no from the drop-down menu. The default is no. Inserts the received parameter into the VIA header of SIP responses if the received-from IP and VIA sent-by IP values differ. Select yes or no from the drop-down menu. The default is no. Inserts the rport parameter into the VIA header of SIP responses if the received-from IP and VIA sent-by IP values differ. Select yes or no from the drop-down menu. The default is no. Lets you use NAT-mapped IP:port values in the VIA header. Select yes or no from the drop-down menu. The default is no. Sends responses to the request source port instead of the VIA sent-by port. Select yes or no from the drop-down menu. The default is no. Enables the use of STUN to discover NAT mapping. Select yes or no from the drop-down menu. The default is no. Document Version 3.0 Linksys 900 Series IP Phone Administrator Guide 5-17