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CUCM , H323 Gateway and PSTN

John Mayer
Level 1
Level 1

Hello

actually recently i installed ip-telephony service in one of my customre sites,

i have a unusual issue in this site,

my problem is, when someone talking on the phone through the PSTN , if both side of the line want to talk at same time, the voice is proken and they could not understand what they said. and there is some disconnect on the calls

my config is as below:

2801 (VG with 8 fxo port) ------- Network -------- CUCM 7.1

i can post my VoiceGateway config;

==================================================================

version 15.1

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

!

hostname Router

!

boot-start-marker

boot-end-marker

!

!

!

no aaa new-model

!

ip dhcp excluded-address 192.168.10.1 192.168.10.159

ip dhcp excluded-address 192.168.10.200 192.168.10.254

!

ip dhcp pool IP-Telephony

   import all

   network 192.168.10.0 255.255.255.0

   dns-server 192.168.10.1

   option 150 ip 192.168.10.111

   default-router 192.168.10.1

   lease 10

!

!

ip cef

no ip domain lookup

no ipv6 cef

!

multilink bundle-name authenticated

!

!

!

!

!

!

trunk group FXOPORTS

hunt-scheme round-robin

!

!

trunk group FXOPORTS-Training

hunt-scheme longest-idle

!

!

!

voice service voip

h323

!

voice class dualtone-detect-params 1

freq-max-deviation 50

freq-max-power 20

cadence-variation 30

!

voice class custom-cptone CO

dualtone disconnect

  frequency 430 430

  cadence 500 500

!

!

!

!

!

voice-card 0

!

crypto pki token default removal timeout 0

!

!

!

!

license udi pid CISCO2801 sn FCZ125210DQ

!

redundancy

!

!

!

!

!

!

!

!

!

!

interface FastEthernet0/0

ip address 192.168.10.113 255.255.255.0

duplex auto

speed auto

ntp broadcast

h323-gateway voip interface

h323-gateway voip bind srcaddr 192.168.10.113

!

interface FastEthernet0/1

no ip address

shutdown

duplex auto

speed auto

!

ip forward-protocol nd

ip http server

no ip http secure-server

!

!

ip route 0.0.0.0 0.0.0.0 192.168.10.1

!

logging esm config

logging 192.168.10.9

!

!

!

!

!

!

control-plane

!

!

voice-port 0/0/0

shutdown

!

voice-port 0/0/1

shutdown

!

voice-port 0/0/2

shutdown

!

voice-port 0/0/3

shutdown

!

voice-port 0/1/0

trunk-group FXOPORTS

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

caller-id enable

!

voice-port 0/1/1

trunk-group FXOPORTS

supervisory disconnect dualtone mid-call

supervisory custom-cptone CO

supervisory dualtone-detect-params 1

input gain 10

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

caller-id enable

!

voice-port 0/1/2

trunk-group FXOPORTS

supervisory disconnect dualtone mid-call

supervisory custom-cptone CO

supervisory dualtone-detect-params 1

input gain 10

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

caller-id enable

!

voice-port 0/1/3

trunk-group FXOPORTS

supervisory disconnect dualtone mid-call

supervisory custom-cptone CO

supervisory dualtone-detect-params 1

input gain 10

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

  caller-id enable

!

voice-port 0/2/0

trunk-group FXOPORTS

supervisory disconnect dualtone mid-call

supervisory custom-cptone CO

supervisory dualtone-detect-params 1

input gain 10

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

caller-id enable

!

voice-port 0/2/1

trunk-group FXOPORTS

supervisory disconnect dualtone mid-call

supervisory custom-cptone CO

supervisory dualtone-detect-params 1

input gain 10

timeouts call-disconnect 0

timeouts wait-release 1

connection plar 899

caller-id enable

!

voice-port 0/2/2

shutdown

!

voice-port 0/2/3

shutdown

!

!

!

mgcp profile default

!

!

dial-peer voice 10 voip

description CUCM7_Pub

destination-pattern 8..

session target ipv4:192.168.10.111

dtmf-relay h245-alphanumeric

codec g711ulaw

no vad

!

dial-peer voice 23 pots

trunkgroup FXOPORTS

description "local 5 digit"

destination-pattern .....

forward-digits all

!

dial-peer voice 24 pots

trunkgroup FXOPORTS

description "local 4 digit"

destination-pattern ....

forward-digits all

=====================================================

so i check my FXO ports config with Custom CPTONE and without it but it seems that its no different between both of them

does anybody have this problem or can help me on this issue

2 Replies 2

narinder sandhu
Level 1
Level 1

Hi I have a similar problem, for some reason i keep ketting a disconnect from the h.323 gateway to the cucm

Jul 14 10:24:26.855: //-1/xxxxxxxxxxxx/DPM/dpMatchPeersCore:

   Calling Number=, Called Number=6000, Peer Info Type=DIALPEER_INFO_SPEECH

Jul 14 10:24:26.855: //-1/xxxxxxxxxxxx/DPM/dpMatchPeersCore:

   Match Rule=DP_MATCH_DEST; Called Number=6000

Jul 14 10:24:26.855: //-1/xxxxxxxxxxxx/DPM/dpMatchPeersCore:

   Result=Success(0) after DP_MATCH_DEST

Jul 14 10:24:26.859: //-1/xxxxxxxxxxxx/DPM/dpMatchSafModulePlugin:

   dialstring=NULL, saf_enabled=0, saf_dndb_lookup=0, dp_result=0

Jul 14 10:24:26.859: //-1/xxxxxxxxxxxx/DPM/dpMatchPeers:

   Result=SUCCESS(0)

   List of Matched Outgoing Dial-peer(s):

     1: Dial-peer Tag=101

csim err csimDisconnected recvd DISC cid(765)

csim: loop = 1, failed = 1

csim: call attempted = 1, setup failed = 1, tone failed = 0

I have connection plar setup on a fxo port directing it to the dial-peer associated with the voip dialpeer.

calls from the CPE to H.323 are fine

i'm baffled.

any help would be appreciated

Narinder, your problem is most likely different than the original poster.

Your debug shows that outbound dialpeer matches 101, after matching destination 6000, which is maybe your plar config for the trunk Group?

Do you however have a dialpeer which matches incoming from the trunk group?  It may seem redundant in that you are telling plar to match 101 via dialed number 6000.  However before it matches on the PLAR there needs to be a incoming dial peer match for the voice port.

dial-peer voice 100 pots

trunkgroup pstn

description ** Incoming PSTN DialPeer **

incoming called-number .

!

Brian S. Turner
CCIE 6145
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