Previously, I have configured for H323 and the ISDN Layer 2 is
working. I can make test call out to PSTN.
However, I have problem getting ISDN Layer 2 up with
MULTIPLE_FRAME_ESTABLISHED for MGCP config.
CCM - 4.1.(3)sr8a
HQ Router - Cisco 2811 (C2800NM-ADVENTERPRISEK9_IVS_LI-M)
HQ# debug isdn q921
*Apr 28 01:20:39.327: ISDN Se0/2/0:23 Q921: User RX <- SABMEp sapi=0 tei=0
*Apr 28 01:20:39.331: ISDN Se0/2/0:23 Q921: S4_SABME: BACKHAULED &
vsc_wants_L2_up = FALSE
===== ISDN Status =====
HQ#show isdn status
Global ISDN Switchtype = primary-ni
%Q.931 is backhauled to CCM MANAGER 0x0003 on DSL 0. Layer 3 output
may not apply
ISDN Serial0/2/0:23 interface
dsl 0, interface ISDN Switchtype = primary-ni
L2 Protocol = Q.921 0x0000 L3 Protocol(s) = CCM MANAGER 0x0003
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED
Layer 3 Status:
0 Active Layer 3 Call(s)
Active dsl 0 CCBs = 0
The Free Channel Mask: 0x807FFFFF
Number of L2 Discards = 0, L2 Session ID = 1
Total Allocated ISDN CCBs = 0
HQ#
==== CCM Layer 3 Backhaul Status =====
HQ#show ccm-manager
MGCP Domain Name: HQ
Priority Status Host
============================================================
Primary Registered 10.34.200.20
First Backup None
Second Backup None
Current active Call Manager: 10.34.200.20
Backhaul/Redundant link port: 2428
Failover Interval: 30 seconds
Keepalive Interval: 15 seconds
Last keepalive sent: 01:24:11 UTC Apr 28 2009 (elapsed
time: 00:00:12)
Last MGCP traffic time: 01:24:21 UTC Apr 28 2009 (elapsed
time: 00:00:02)
Last failover time: None
Last switchback time: None
Switchback mode: Graceful
MGCP Fallback mode: Not Selected
Last MGCP Fallback start time: None
Last MGCP Fallback end time: None
MGCP Download Tones: Disabled
TFTP retry count to shut Ports: 2
Backhaul Link info:
Link Protocol: TCP
Remote Port Number: 2428
Remote IP Address: 10.34.200.20
Current Link State: OPEN
Statistics:
Packets recvd: 0
Recv failures: 0
Packets xmitted: 0
Xmit failures: 0
PRI Ports being backhauled:
Slot 0, VIC 2, port 0
FAX mode: cisco
Configuration Error History:
HQ#
==== MGCP Config on HQ Router =====
card type t1 0 2
network-clock-participate wic 2
isdn switch-type primary-ni
controller T1 0/2/0
cablelength long 0db
pri-group timeslots 1-24 service mgcp
interface Serial0/2/0:23
no ip address
encapsulation hdlc
isdn switch-type primary-ni
isdn incoming-voice voice
isdn bind-l3 ccm-manager
no cdp enable
voice-port 0/2/0:23
ccm-manager mgcp
ccm-manager music-on-hold
ccm-manager config server 10.34.200.20
ccm-manager config
mgcp
mgcp call-agent 10.34.200.20 2427 service-type mgcp version 0.1
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
mgcp package-capability sst-package
mgcp package-capability pre-package
no mgcp package-capability res-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 ecm
mgcp rtp payload-type g726r16 static
mgcp bind control source-interface FastEthernet0/0.640
mgcp bind media source-interface FastEthernet0/0.640
mgcp profile default
dial-peer voice 10 pots
service mgcpapp
port 0/2/0:23
