service to daemon/proxy interface

4. request IP multicast address (SIP INVITE)
v=0
o=lin3 200110011648 200110011657 IN IP4 128.2.227.2
s=LIBRA VC demo
i=ESMPROXY-INIT
c=IN IP4 0.0.0.0/0
t=0 0
a=multicastport:49664
a=esmmember:128.2.202.122
a=esmmember:128.2.123.163

response - OK (200)
v=0
o=lin3 200110011648 200110011657 IN IP4 128.2.227.2
s=LIBRA VC demo
i=ESMPROXY-INIT
c=IN IP4 0.0.0.0/0
t=0 0
a=multicastaddress:224.223.23.24

#response - reason:bad port /  406 (not acceptable) or 409(conflict)
v=0
o=lin3 200110011648 200110011657 IN IP4 128.2.227.2
s=LIBRA VC demo
i=ESMPROXY-INIT
c=IN IP4 0.0.0.0/0
t=0 0

5. Commit (SIP ACK)
v=0
o=lin3 200110011648 200110011657 IN IP4 128.2.227.2
s=LIBRA VC demo
i=ESMPROXY-INIT
c=IN IP4 0.0.0.0/0
t=0 0
a=multicastaddress:224.223.23.24
a=multicastport:49664
a=esmmember:128.2.202.122
a=esmmember:128.2.123.163