We have a sip application more or less like a SIP User Agent, but using RTP multicast for conference. We are using a CISCO 3745 with different voice interfaces (FXS, FXO, E&M, ISDN BRI, E1) to provide our application to talk to external world. The problem is when we send INVITE SIP with sdp rtp multicast in the c field (connection information), the Cisco Router alaways sent me back a sdp rtp unicast. Is there any way to configure the router to send me back a rtp multicast? If there´s no way, how could I deal to get conference with other users (FXS, FXO etc)?
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...