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wpaulgriffith
New Contributor

Multiple calls on 908e SIP to PRI

We have several 908e boxes that we are doing SIP to PRI on. We have noticed that we are getting some strange errors, and the box only seems to allow two calls in simultaneously. Third and fourth calls get the following errors. I feel like it is something stupid simple that I am missing.  

P-Asserted-Identity:"XCLUTEL"<sip:7082733159@sip.telnyx.com;verstat=TN-Validation-Passed>
2021.11.24 10:09:50 SIP.STACK ERROR MSGBUILDER SIP Pre-Parser Error (UDP) :
INVITE sip:7084036500@5.5.5.5:5060 SIP/2.0
Record-Route: <sip:192.76.120.10;r2=on;lr;ftag=rNUNUgatepKtB>
Record-Route: <sip:10.255.0.1;r2=on;lr;ftag=rNUNUgatepKtB>
Via: SIP/2.0/UDP 192.76.120.10;branch=z9hG4bK830a.65ed3db5d94fc54268ff5413a5ea424f.0
v:SIP/2.0/UDP 10.13.35.4:6000;received=10.13.35.4;rport=6000;branch=z9hG4bKyt9DB341p958j
Max-Forwards:67
f:"XCLUTEL"<sip:7082733159@sip.telnyx.com>;tag=rNUNUgatepKtB
t:<sip:7084036500@5.5.5.5:5060>
i:afa53a4e-0059-4a64-9006-0a3ebbc417a8
CSeq:44331302 INVITE
m:<sip:mod_sofia@10.13.35.4:6000>
Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REFER,NOTIFY
k:timer,path
u:talk,hold,conference,refer
Privacy:none
c:application/sdp
Content-Disposition:session
l:353
X-Tags:CustomerOP
P-Asserted-Identity:"XCLUTEL"<sip:7082733159@sip.telnyx.com;verstat=TN-Validation-Passed>
2021.11.24 10:10:08 SIP.STACK ERROR TRANSACTION TransactionCreate - Failed to create a new transaction.
2021.11.24 10:10:10 SIP.STACK ERROR TRANSACTION TransactionCreate - Failed to create a new transaction.
2021.11.24 10:10:11 SIP.STACK ERROR TRANSACTION TransactionCreate - Failed to create a new transaction.
2021.11.24 10:10:11 SIP.STACK ERROR TRANSACTION TransactionCreate - Failed to create a new transaction.
2021.11.24 10:10:32 SIP.STACK ERROR MSGBUILDER SIP Pre-Parser Error (UDP) :
INVITE sip:7084036500@5.5.5.5:5060 SIP/2.0
Record-Route: <sip:192.76.120.10;r2=on;lr;ftag=5t02m8UQDBD3K>
Record-Route: <sip:10.255.0.1;r2=on;lr;ftag=5t02m8UQDBD3K>
Via: SIP/2.0/UDP 192.76.120.10;branch=z9hG4bK3b53.b043162bd08209bb0f8b1940a4f7cc81.0
v:SIP/2.0/UDP 10.13.139.4:6000;received=10.13.139.4;rport=6000;branch=z9hG4bKQQ1yaHeBFKm8D
Max-Forwards:68

 

 

 

Here is the pertinent info from the config. IPs have been cleaned up. 

 


!
clock timezone -6-Central-Time
clock no-auto-correct-DST
!
ip subnet-zero
ip classless
ip routing
ipv6 unicast-routing
!
!
name-server 1.1.1.1 4.2.2.2
!
!
no auto-config
!
event-history on
no logging forwarding
no logging email
!
!
ip firewall
no ip firewall alg msn
no ip firewall alg mszone
no ip firewall alg h323
!
!
!
!
!
!
!
!
no dot11ap access-point-control
!
!
!
!
!
!
!
!
!
!
!
!
!
ip crypto ffe
!
!
!
!
!
!
!
interface eth 0/1
ip address 192.168.43.1 255.255.255.0
no shutdown
!
!
interface eth 0/2
no ip address
shutdown
!
!
!
interface gigabit-eth 0/1
ip address 5.5.5.5 255.255.255.248
ip access-policy Public
no awcp
no shutdown
media-gateway ip primary
!
!
!
!
interface t1 0/1
shutdown
!
interface t1 0/2
description PRI to PBX
tdm-group 2 timeslots 1-24 speed 64
no shutdown
!
interface t1 0/3
shutdown
!
interface t1 0/4
shutdown
!
!
interface pri 2
description pri 2
isdn name-delivery setup
connect t1 0/2 tdm-group 2
no shutdown
!
!
interface fxs 0/1
shutdown
!
interface fxs 0/2
shutdown
!
interface fxs 0/3
shutdown
!
interface fxs 0/4
shutdown
!
interface fxs 0/5
shutdown
!
interface fxs 0/6
shutdown
!
interface fxs 0/7
shutdown
!
interface fxs 0/8
shutdown
!
!
interface fxo 0/0
shutdown
!
!
isdn-group 1
!
!
isdn-group 2
connect pri 2
!
!
!
!
!
!
!
ip access-list extended web-acl-1
remark Admin
permit tcp *.*.*.* 0.0.7.255 any eq www log
permit tcp *.*.*.* 0.0.7.255 any eq telnet log
permit udp *.*.*.* 0.0.7.255 any eq snmp log
permit tcp *.*.*.* 0.0.7.255 any eq ssh log
permit icmp *.*.*.* 0.0.7.255 any echo log
!
ip access-list extended web-acl-2
remark SipProvider
permit ip host 192.76.120.10 any log
permit ip host 66.244.165.16 any log
permit ip 64.16.224.0 0.0.31.255 any log
permit ip any host 192.76.120.10 log
permit ip any 64.16.224.0 0.0.31.255 log
permit ip any host 66.244.165.16 log
!
ip access-list extended web-acl-3
remark Monitoring
permit tcp host *.*.*.* any eq www log
permit tcp host *.*.*.* any eq telnet log
permit udp host *.*.*.* any eq snmp log
permit icmp host *.*.*.* any echo log
!
ip access-list extended web-acl-4
remark PermitUDP
permit udp any any
!
!
!
!
ip policy-class Public
allow list web-acl-1 self
allow list web-acl-2 policy Public
allow list web-acl-3 self
allow list web-acl-4 self
!
!
!
ip route 0.0.0.0 0.0.0.0 5.5.5.4
!
no tftp server
no tftp server overwrite
http server
http secure-server
snmp agent
no ip ftp server
no ip scp server
no ip sntp server
!
!
!
!

!
!
!
!
sip
sip udp 5060
no sip tcp
no sip tls
!
!
!
voice feature-mode network
voice forward-mode local
!
!
!
!
!
!
!
!
voice dial-plan 1 local NXX-NXX-XXXX
!
!
!
!
voice codec-list user
codec g711ulaw
codec g729
!
voice codec-list FAX
codec g711ulaw
!
voice codec-list Trunk
codec g711ulaw
codec g729
!
!
!
voice trunk T01 type sip
description "Provider"
sip-server primary 192.76.120.10
registrar primary 192.76.120.10
registrar threshold percentage 20
registrar expire-time 180
no registrar require-expires
register 7085170080
register range 7082261040 7082261050
register range 7088733800 7088733979
register 7082265884
register 7082265889
register 7082266912
register 7084036390
register 7084036500
register 7084038016
register 7084601854
register 7084601863
register 7084601872
register 7084608578
register 7084608594
register 7084609531
register 7084609564
register 7088739763
register 7088739765
register 7088739766
register 7088739767
register 7088739768
register 7088739769
register 7088739771
register 7088739772
codec-list user both
!
voice trunk T02 type isdn
description "PRI to PBX"
resource-selection linear ascending
connect isdn-group 2
no early-cut-through
modem-passthrough
rtp delay-mode adaptive
codec-list Trunk
!
!
voice grouped-trunk MAIN
trunk T01
accept $ cost 0
!
!
voice grouped-trunk PRI
trunk T02
accept 7085170080 cost 0
accept 70822610XX cost 0
accept 7088733XXX cost 0
accept 7082265884 cost 0
accept 7082265889 cost 0
accept 7082266912 cost 0
accept 7084036390 cost 0
accept 7084036500 cost 0
accept 7084038016 cost 0
accept 7084601854 cost 0
accept 7084601863 cost 0
accept 7084601872 cost 0
accept 7084608578 cost 0
accept 7084608594 cost 0
accept 7084609531 cost 0
accept 7084609564 cost 0
accept 7088739763 cost 0
accept 7088739765 cost 0
accept 7088739766 cost 0
accept 7088739767 cost 0
accept 7088739768 cost 0
accept 7088739769 cost 0
accept 7088739771 cost 0
accept 7088739772 cost 0
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip rtp symmetric-filter
!
!
!

!
!
ntp server 192.5.41.209
!
!
!
end

0 Kudos
1 Reply

Re: Multiple calls on 908e SIP to PRI

Hello and thanks for posting to the Community!

 

I do not see anything obvious in the config.  I do see a SIP-pre parser error, which is some kind of error that will need some additional debugging.  If you were seeing a SIP-parser (not pre-parser) there would at least be some kind of SIP message outputted.  My suggestion is to re-create the condition with the below debugs, open a case with Product Support for the TA 908e and provide the debug and config:

 

debug sip stack message

debug sip cldu

debug sip stack level error

debug voice verbose

debug isdn l2-for

 

Once the case is resolved, please come back and post the solution.

 

Thanks!

Geo