hi,i need to to establish a voice conversation with a standard SIP Phone.i transmit my voice over a multicast address A and receive on multicastaAddress B.how can i request a 3261 compliant SIP Phone to tranmit his over multicast address B and join multicast address A to receive my transmission.i understand writing A in contact is straight forward for transmisson what abt joining B.i have following SDP in INVITE sent by my application to SIP Phone.what should i change ?
v=0 o=- 3383962215 3383962216 IN IP4 192.168.1.40 s=- c=IN IP4 192.168.1.40 t=0 0 m=audio 5000 RTP/AVP 18 4 100 c=IN IP4 192.168.1.40 a=rtpmap:100 iLBC/8000 A and B may be like.. A= 225.1.1.1 B= 225.2.2.2 [192.168.1.40 is my local IP] Regards, Arslan _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
