VOIP program

Development Platform:

Java

OK.txt：Code Content

							SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.123.22;branch=z9hG4bK80b1c591b691dc1196d0000c2900a6e5
From: 3CX Phone <sip:user1@192.168.123.22>;tag=21388
To: <sip:user@192.168.123.224:5031>;tag=800fbdfde091dc11b486005056c00008
Call-ID: 80B1C591-B691-DC11-96CF-000C2900A6E5@192.168.123.22
CSeq: 5 INVITE
Contact: <sip:user@192.168.123.224:5031>
Max-Forwards: 70
Server: SIPPER for 3CX Phone
Allow: INVITE, OPTIONS, ACK, BYE, CANCEL, INFO, NOTIFY
Content-Type: application/sdp
Content-Length:   326
v=0
o=- 3404117247 3404117247 IN IP4 192.168.123.224
s=SIPPER for 3CX Phone
c=IN IP4 192.168.123.224
t=0 0
m=audio 5033 RTP/AVP 8 0 2 3 97 110 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:3 GSM/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:110 speex/8000
a=rtpmap:101 telephone-event/8000

						