Technical Manual
U-SYS MRS6100 Media Resource Server
Chapter 5 MGCP and SIP
Huawei Technologies Proprietary
5-24
z The domain name of Endpoint1 is IDms/cnf/1@mrs6100.com.
z The IP address of MRS is 182.20.50.101.
MRS6100MGC
CRCX
CRCX ACK
RQNT(pa,pc)
NTFY
(oc,of,digit)
NTFY ACK
RQNT ACK
DLCX
DLCX ACK
(1)
(2)
(3)
(4)
Figure 5-8 Flow of MRS6100 announcement playing and digit collection
1) Event 1: MGC specifies MRS6100 to send a CRCX command to the Endpoint1,
requesting to establish a connection.
z CRCX encoding
CRCX 693585490 ms/cnf/1@mrs6100.com MGCP 1.0
C:a265
L:a:PCMA,P:20
M:sendrecv
v=0
c=IN IP4 182.20.40.4
m=audio 30002 RTP/AVP 8
The 1st line: the CreateConnection command. The transaction identifier is 693585490,
used to correlate this command with responses that it triggers.MGC establishes a
connection with the Endpoint1 of MRS6100. MRS6100's domain name is
mrs6100.com and interface name is ms/cnf. The MGCP version is V1.0.
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