[cisco-voip] Call Fwd to PSTN give callers fast busy, but only occurs after 4th or 6th attempt in a row
Gregory Wenzel
gwenzit at gmail.com
Wed Sep 1 07:26:18 EDT 2010
The reason code I get in Debug isdn q931 is "unallocated resources" funny
how it works 6 times in a row then i get this reason code. I thought, dsp's
but the site has pvdm3-64 and I was on site, there were no conferences going
on, there were 2 people in the office.
I will attach the config, and call flow and what I have checked.
besides debug isdn q931, debug isdn q921, debug voip ccapi inout and debug
h225 asn1 errors what other debugs do you guys reccommend?
*This problem happens locally as well, I could be in the next cubical and
call the user and after a few tries it gives me a busy signal*
I have been up and down gateway configs and call manager configs and I cant
seem to find the culprit.
I have three sites all have 1 pri, and 4port FXO. All connect over mpls, Two
of these sites work without a problem, you could forward calls all day long
to any number.
I allow 25 g729 calls over the wan and match, Locations allows 1200Kbps with
some headroom for the calls to Unity Connection at G711. This all works.
All calls over wan is G729, all calls to CUC7.1(5) are g711.
*Call flow from remote site*
Caller dials 5551212----hits pri in site A, number routes 1212 to---- AA on
unity connection in HQ site, caller then dials any extension in site B, call
forwards over ---mpls ---out to site B and rings into users 4 digit
extension then routes to--- local pri to users cell or home phone.
*Call flow locally at same site*
caller dials 4 digit ext locally in the same office to another extension
thats forwarded and eventually I get the same problem and same error msg on
the debug isdn q931
CUC has its own region and DP and location all runs at G711
I have my MTP, Transcoders all registered to CUCM, my MRGL is configured for
the sites resources then CUCM as its secondary resource
Here is my gateway config with unnecessary configlets removed.
card type t1 0 0
card type t1 0 1
!
no network-clock-participate wic 0
network-clock-participate wic 1
!
no ipv6 cef
ip source-route
ip cef
!
!
ip dhcp excluded-address 10.10.14.1 10.10.14.50
ip dhcp excluded-address 10.10.14.100 10.10.14.254
!
ip dhcp pool Voice_Pool
network 10.10.14.0 255.255.255.0
default-router 10.10.14.1
option 150 ip 172.16.16.15 10.16.16.16
lease infinite
!
!
no ip domain lookup
multilink bundle-name authenticated
!
!
!
!
isdn switch-type primary-ni
!
!
trunk group PRI
!
voice-card 0
dspfarm
dsp services dspfarm
!
!
!
voice service voip
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
no supplementary-service h450.2
no supplementary-service h450.3
supplementary-service h450.12
no supplementary-service sip moved-temporarily
no supplementary-service sip refer
h323
sip
registrar server expires max 3600 min 3600
no update-callerid
!
voice class codec 1
codec preference 1 g729r8
codec preference 2 g711ulaw
codec preference 3 g729br8
!
controller T1 0/0/0
cablelength long 0db
channel-group 0 timeslots 1-24
!
controller T1 0/0/1
cablelength long 0db
channel-group 0 timeslots 1-24
!
controller T1 0/1/0
cablelength long 0db
pri-group timeslots 1-24
!
ip tftp source-interface GigabitEthernet0/1.100
!
class-map match-all Voice
match ip dscp ef
class-map match-any Signaling
match ip dscp af31
match ip dscp cs3
!
!
policy-map MLNJ
class Signaling
bandwidth 156
class Voice
set ip dscp ef
priority percent 25
class class-default
fair-queue
random-detect
!
interface Multilink1
description Verizon MPLS
ip address 152.181.123.101 255.255.255.252
ip flow ingress
ip flow egress
no peer neighbor-route
ppp chap hostname w0x14753-1933101
ppp multilink
ppp multilink links minimum 1
ppp multilink group 1
ppp multilink fragment disable
service-policy output MLNJ
!
interface GigabitEthernet0/0
no ip address
ip flow ingress
ip flow egress
duplex auto
speed auto
!
interface GigabitEthernet0/0.1
encapsulation dot1Q 1 native
ip address 192.168.14.1 255.255.255.0
ip helper-address 192.168.14.20
!
interface GigabitEthernet0/0.100
encapsulation dot1Q 100
ip address 10.10.14.1 255.255.255.0
h323-gateway voip interface
h323-gateway voip bind srcaddr 10.10.14.1
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface GigabitEthernet0/2
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0:0
no ip address
encapsulation ppp
ppp chap hostname w0x13253-1933630
ppp multilink
ppp multilink group 1
!
interface Serial0/0/1:0
no ip address
encapsulation ppp
ppp chap hostname w0x13253-1933630
ppp multilink
ppp multilink group 1
!
interface Serial0/1/0:23
no ip address
encapsulation hdlc
isdn switch-type primary-ni
isdn incoming-voice voice
no cdp enable
!
!
router bgp 1
no synchronization
bgp log-neighbor-changes
network 10.10.14.0 mask 255.255.255.0
network 192.168.14.0
neighbor 152.181.123.100 remote-as 65000
neighbor 152.181.123.100 soft-reconfiguration inbound
no auto-summary
!
voice-port 0/1/0:23
!
voice-port 0/2/0
!
voice-port 0/2/1
!
voice-port 0/2/2
!
voice-port 0/2/3
!
ccm-manager fallback-mgcp
ccm-manager redundant-host 172.16.16.16
ccm-manager mgcp
no ccm-manager fax protocol cisco
ccm-manager music-on-hold
ccm-manager config server 172.16.16.15
ccm-manager config
!
mgcp
mgcp call-agent 172.16.16.15 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode out-of-band
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 package-capability fxr-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 inhibit
no mgcp explicit hookstate
mgcp rtp payload-type g726r16 static
mgcp bind control source-interface GigabitEthernet0/0.100
mgcp bind media source-interface GigabitEthernet0/0.100
!
mgcp profile default
!
sccp local GigabitEthernet0/0.100
sccp ccm 172.16.16.15 identifier 1 version 7.0
sccp ccm 172.16.16.16 identifier 2 version 7.0
sccp
!
sccp ccm group 1
description ***Conference:4 Local Xcode:3 CUCMXcode:2***
bind interface GigabitEthernet0/0.100
associate ccm 1 priority 1
associate ccm 2 priority 2
associate profile 3 register MTPD04DC560
associate profile 1 register MLNJ01CONF
associate profile 2 register MLNJ01CODE
keepalive retries 5
switchover method immediate
switchback method immediate
!
dspfarm profile 2 transcode
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
maximum sessions 5
associate application SCCP
!
dspfarm profile 1 conference
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 1
associate application SCCP
!
dspfarm profile 3 mtp
codec g711ulaw
maximum sessions software 25
associate application SCCP
!
dial-peer voice 555 voip
description ***HQ VM***
destination-pattern 2222
session protocol sipv2
session target ipv4:172.16.16.15
dtmf-relay sip-notify
codec g711ulaw
no vad
!
dial-peer voice 5556 voip
description ***HQ VM***
destination-pattern 2222
session protocol sipv2
session target ipv4:172.16.16.16
dtmf-relay sip-notify
codec g711ulaw
no vad
!
dial-peer voice 100 pots
destination-pattern 91900.......
!
dial-peer voice 999010 pots
service mgcpapp
!
dial-peer voice 5 pots
incoming called-number .
direct-inward-dial
port 0/1/0:23
!
dial-peer voice 10 pots
destination-pattern 9[2-9]11$
port 0/1/0:23
forward-digits 3
!
dial-peer voice 15 pots
destination-pattern 911$
port 0/1/0:23
prefix 911
!
dial-peer voice 20 pots
destination-pattern 91[2-9]..[2-9]......
port 0/1/0:23
forward-digits 11
!
dial-peer voice 900 pots
destination-pattern 91900.......
!
dial-peer voice 300 voip
description ** Inbound DID's Peer to PUB**
destination-pattern 856505....$
session target ipv4:172.16.16.15
dtmf-relay h245-alphanumeric
no vad
!
dial-peer voice 305 voip
description **Inbound DID's Peer to SUB**
preference 2
destination-pattern 856505....$
session target ipv4:172.16.16.16
dtmf-relay h245-alphanumeric
no vad
!
dial-peer voice 310 voip
description **Outbound**
destination-pattern 91[2-9]..[2-9]......
session target ipv4:172.16.16.15
incoming called-number .
dtmf-relay h245-alphanumeric
no vad
!
dial-peer voice 320 voip
description **Outbound**
destination-pattern 9[2-9]11
session target ipv4:172.16.16.15
incoming called-number .
dtmf-relay h245-alphanumeric
no vad
!
dial-peer voice 325 voip
description **Outbound**
preference 2
destination-pattern 9[2-9]11
session target ipv4:172.16.16.16
incoming called-number .
dtmf-relay h245-alphanumeric
no vad
!
dial-peer voice 315 voip
description **Outbound**
preference 2
destination-pattern 91[2-9]..[2-9]......
session target ipv4:172.16.16.16
incoming called-number .
dtmf-relay h245-alphanumeric
no vad
Thanks in advance
Greg W
ConRes
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