[cisco-voip] SRST issue on cs 2800 series

Wed Mar 5 10:55:32 EST 2008

Yes, this is a good point Jonathon makes. As far as the router is concerned, 
SRST is ALWAYS active and it is dependant on the devices to register to the 
device.

Lelio
--------------------------------------------------------------------------------
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Java-Clavis-Domus Theorem: The ability to keep your hands on the home keys 
is inversely
related to the amount of caffeine ingested in the last 30 minutes.

----- Original Message ----- 
From: "Jonathan Charles" <jonvoip at gmail.com>
To: "henri philakham" <henriphilakham at hotmail.com>
Cc: <cisco-voip at puck.nether.net>
Sent: Wednesday, March 05, 2008 10:46 AM
Subject: Re: [cisco-voip] SRST issue on cs 2800 series

> The SRST router has nothing to do with the failback (or failover) 
> process...
>
> The phones make this decision when they lose communications with
> CallManager (lose their SCCP connection back to CCM), in which case
> they then try to the next CCM and the next CCM until it gets to the
> SRST reference...
>
> Once it gets there it tries to register with SRST... but it still
> tries to connect back to its primary CCM, and after a minute of a
> return of SCCP communications, the phone will attempt to register back
> to CCM.
>
> The SRST router is passive here...
>
> So, check your phone load...
>
>
>
> Jonathan
>
> On Wed, Mar 5, 2008 at 2:35 AM, henri philakham
> <henriphilakham at hotmail.com> wrote:
>>
>> Hi
>>
>> i have an issue with SRST mode whenever the WAN link fails and comes back
>> up, basically the SRST mode kicks in properly but when the WAN link is up
>> again some phones remain for ever stuck in SRST fallback mode, the work
>> around today is power off/on the phone so that they register again with 
>> our
>> SIP platform from internet access. Here is the sh run fyi, appreciate 
>> your
>> assistance and input on this issue thanks.
>>
>> MG-VSMRUT02#sh run
>> Building configuration...
>>
>> Current configuration : 5138 bytes
>> !
>> ! Last configuration change at 17:45:56 MRU Tue Mar 4 2008
>> ! NVRAM config last updated at 17:18:22 MRU Wed Feb 13 2008
>> !
>> version 12.3
>> service timestamps debug datetime msec
>> service timestamps log datetime
>> service password-encryption
>> !
>> hostname MG-VSMRUT02
>> !
>> boot-start-marker
>> boot system flash c2800nm-ipvoice-mz.123-14.T7.bin
>> boot-end-marker
>> !
>> logging buffered 4096 debugging
>> enable secret 5
>> !
>> no aaa new-model
>> !
>> resource policy
>> !
>> clock timezone MRU 3
>> network-clock-participate wic 0
>> ip subnet-zero
>> !
>> !
>> ip cef
>> no ip dhcp use vrf connected
>> !
>> !
>> ip name-server 62.189.220.91
>> ip name-server 62.189.220.88
>> ip name-server 57.73.25.91
>> no ftp-server write-enable
>> isdn switch-type primary-net5
>> !
>> voice-card 0
>>  no dspfarm
>> !
>> !
>> voice call send-alert
>> voice call disc-pi-off
>> voice call carrier capacity active
>> voice rtp send-recv
>> !
>> voice service voip
>>  fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback pass-through
>> g711alaw
>>  sip
>>   no call service stop
>> !
>> !
>> voice class codec 1
>>  codec preference 1 g711alaw
>>  codec preference 2 g711ulaw
>>  codec preference 3 g729r8
>> !
>> !
>> voice translation-rule 8
>>  rule 1 /^1/ /01/ type international international
>>  rule 2 /^2/ /02/ type international international
>>  rule 3 /^3/ /03/ type international international
>>  rule 4 /^4/ /04/ type international international
>>  rule 5 /^5/ /05/ type international international
>>  rule 6 /^6/ /06/ type international international
>>  rule 7 /^7/ /07/ type international international
>>  rule 8 /^8/ /08/ type international international
>>  rule 9 /^9/ /09/ type international international
>>  rule 10 /^\(.*\)/ /9\1/ type national national
>>  rule 11 /^\(.*\)/ /90\1/ type subscriber subscriber
>> !
>> voice translation-rule 10
>>  rule 1 /^9/ //
>>  rule 2 /^0/ /020/
>> !
>> voice translation-rule 11
>>  rule 1 /^09/ /609/
>> !
>> !
>> voice translation-profile PREFIXINT
>>  translate called 11
>> !
>> voice translation-profile SRST-OUT
>>  translate called 10
>> !
>> !
>> dial-control-mib retain-timer 20160
>> dial-control-mib max-size 600
>> !
>> !
>> controller E1 0/0/0
>>  framing NO-CRC4
>>  pri-group timeslots 1-31
>>  description *** +230 20609 00-99 ***
>> !
>> controller E1 0/0/1
>> !
>> !
>> !
>> interface GigabitEthernet0/0
>>  ip address 10.143.1.2 255.255.255.0
>>  duplex auto
>>  speed auto
>> !
>> interface GigabitEthernet0/1
>>  description to_isp_voice
>>  no ip address
>>  shutdown
>>  duplex auto
>>  speed auto
>> !
>> interface Serial0/0/0:15
>>  no ip address
>>  isdn switch-type primary-net5
>>  isdn overlap-receiving
>>  isdn incoming-voice voice
>>  isdn send-alerting
>>  isdn sending-complete
>>  no cdp enable
>> !
>> ip default-gateway 10.143.1.1
>> ip classless
>> ip route 0.0.0.0 0.0.0.0 10.143.1.1
>> !
>> no ip http server
>> !
>> snmp-server community
>> snmp-server location Mauritius
>> snmp-server contact
>> snmp-server enable traps tty
>> snmp-server enable traps isdn call-information
>> snmp-server enable traps isdn layer2
>> snmp-server enable traps isdn chan-not-avail
>> snmp-server enable traps isdn ietf
>> snmp-server enable traps voice poor-qov
>> !
>> !
>> !
>> control-plane
>> !
>> !
>> !
>> voice-port 0/0/0:15
>>  playout-delay maximum 170
>>  playout-delay nominal 80
>>  playout-delay minimum low
>>  no comfort-noise
>>  bearer-cap 3100Hz
>> !
>> !
>> no mgcp piggyback message
>> !
>> !
>> !
>> dial-peer voice 1234 pots
>>  tone ringback alert-no-PI
>>  description Incoming PSTN
>>  translation-profile incoming PREFIXINT
>>  incoming called-number 09..
>>  direct-inward-dial
>>  port 0/0/0:15
>> !
>> dial-peer voice 1000 voip
>>  tone ringback alert-no-PI
>>  huntstop
>>  service session
>>  destination-pattern 609..
>>  signaling update from gtd all
>>  rtp payload-type cisco-codec-fax-ind 124
>>  voice-class codec 1
>>  session protocol sipv2
>>  session target sip-server
>>  dtmf-relay sip-notify cisco-rtp rtp-nte
>>  fax-relay ecm disable
>>  fax rate 7200 bytes 48
>>  fax nsf 000000
>>  fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback pass-through
>> g711ulaw
>>  no vad
>> !
>> dial-peer voice 4321 pots
>>  tone ringback alert-no-PI
>>  description Outgoing PSTN
>>  translation-profile outgoing SRST-OUT
>>  destination-pattern .T
>>  progress_ind setup enable 3
>>  progress_ind alert enable 8
>>  port 0/0/0:15
>> !
>> sip-ua
>>  max-forwards 15
>>  sip-server dns:lon-ext.voip.x
>> !
>> !
>> call-manager-fallback
>>  max-conferences 8 gain -6
>>  transfer-system full-consult
>>  timeouts interdigit 5
>>  ip source-address 10.143.1.2 port 2000
>>  max-ephones 30
>>  max-dn 40 dual-line preference 1
>>  system message primary SRST Mode Activated
>>  dialplan-pattern 1 09.. extension-length 5 extension-pattern 609..
>>  transfer-pattern 09..
>>  no huntstop
>>  time-zone 34
>>  time-format 24
>>  date-format dd-mm-yy
>> !
>> !
>> !
>> scheduler allocate 20000 1000
>> ntp clock-period 17179876
>> ntp server 64.235.47.142
>> ntp server 62.243.203.70
>> !
>> end
>>
>>
>> MG-VSMRUT02#sh ver
>> Cisco IOS Software, 2800 Software (C2800NM-IPVOICE-M), Version 
>> 12.3(14)T7,
>> RELEASE SOFTWARE (fc2)
>> Technical Support: http://www.cisco.com/techsupport
>> Copyright (c) 1986-2006 by Cisco Systems, Inc.
>> Compiled Wed 22-Mar-06 18:40 by pwade
>>
>> ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
>> ROM: Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 
>> 12.4(3g),
>> RELEASE SOFTWARE (fc2)
>>
>> MG-VSMRUT02 uptime is 28 weeks, 6 days, 17 hours, 22 minutes
>> System returned to ROM by power-on
>> System restarted at 17:25:07 MRU Wed Aug 15 2007
>> System image file is "flash:c2800nm-ipvoice-mz.123-14.T7.bin"
>>
>> Cisco 2851 (revision 53.51) with 251904K/10240K bytes of memory.
>> Processor board ID FCZ111874JW
>> 2 Gigabit Ethernet interfaces
>> 31 Serial interfaces
>> 2 Channelized E1/PRI ports
>> DRAM configuration is 64 bits wide with parity enabled.
>> 239K bytes of non-volatile configuration memory.
>> 62720K bytes of ATA CompactFlash (Read/Write)
>>
>> Configuration register is 0x2102
>>
>> ________________________________
>> Express yourself instantly with MSN Messenger! MSN Messenger
>> _______________________________________________
>>  cisco-voip mailing list
>>  cisco-voip at puck.nether.net
>>  https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
> 