[cisco-voip] FXS - Fax Issue

Wed Sep 13 16:09:25 EDT 2006

Fax related things to check:

Fax can NOT be running super G3 33.4k and can NOT be running ECM (error
correction mode)

Call needs to be G711 all the way through.

No Fax relay.  It needs to be Fax passthrough.  Check on MGCP gateway as
my CMM PRI's defaulted to Fax relay.

Hope that gives you a starting point.

Scott

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Gary L. Pate
Sent: Wednesday, September 13, 2006 12:42 PM
To: 'cisco-voip'
Subject: [cisco-voip] FXS - Fax Issue

I'm having an issue with faxes that I'm hoping someone could help me
with. Here is the scenario:

The fax numbers comes in via a PRI at a location where the callmanager
is located. Then there is an ATM circuit (1.5) to the customer location
where a 28xx series router is located. This router has FXS ports for the
fax machines. The router is running 12.4 (7b) and is using MGCP. (Config
attached). I keep having issues with sending/receiving faxes, especially
faxes with multiple pages. For example, a 7 page fax may only come
across with 3 pages, and then I lose it.

Any ideas?

Current configuration : 7359 bytes

!

! Last configuration change at 14:29:05 EDT Tue Aug 29 2006

! NVRAM config last updated at 14:19:21 EDT Tue Aug 29 2006

!

version 12.4

service timestamps debug datetime localtime show-timezone

service timestamps log datetime localtime show-timezone

service password-encryption

!

hostname FLT3FBCRT01

!

boot-start-marker

boot-end-marker

!

logging buffered 8192 informational

enable secret 5 $1$s39s$1p25IOzozk5eoZofbQdvy0

enable password 7 075E754D08084D54

!

no aaa new-model

!

resource policy

!

clock timezone EST -5

clock summer-time EDT recurring

ip cef

!

!

no ip dhcp use vrf connected

no ip dhcp conflict logging

!

ip dhcp pool CBS

   network 10.254.252.0 255.255.255.128

   default-router 10.254.252.1

   dns-server 10.255.255.200 65.115.171.194

   option 150 ip 10.255.255.210

   lease 2

!

!

no ip domain lookup

!

voice-card 0

!

!

!

!

!

!

!

!

!

!

!

!

!

crypto pki trustpoint TP-self-signed-4206964125

 enrollment selfsigned

 subject-name cn=IOS-Self-Signed-Certificate-4206964125

 revocation-check none

 rsakeypair TP-self-signed-4206964125

!

!

crypto pki certificate chain TP-self-signed-4206964125

 certificate self-signed 01

  30820244 308201AD A0030201 02020101 300D0609 2A864886 F70D0101
04050030

  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D
43657274

  69666963 6174652D 34323036 39363431 3235301E 170D3036 30373136
30343033

  32355A17 0D323030 31303130 30303030 305A3031 312F302D 06035504
03132649

  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D34
32303639

  36343132 3530819F 300D0609 2A864886 F70D0101 01050003 818D0030
81890281

  8100AFAC DD4F1533 DEC505AD 48E8BF81 52758C16 3DA39E8A 98731CEB
8F9B1827

  49C72EE6 158CCD93 37B63BA9 1237325C 72080995 2068D6F8 DB296B45
643F5778

  5DD67CFA 97F0A7E2 77F6BBF6 E43658B2 C85B95D4 7EB0502C A4BDD590
963B31C8

  A877004F 13DD3FF5 F9DCD3D2 1B1341F1 77EBBFAD FE86DF65 81CD232D
299C1571

  56E30203 010001A3 6C306A30 0F060355 1D130101 FF040530 030101FF
30170603

  551D1104 10300E82 0C464C54 33464243 52543031 2E301F06 03551D23
04183016

  80141EDE C76712C5 EFA40117 6612C951 E7080EDA 1F41301D 0603551D
0E041604

  141EDEC7 6712C5EF A4011766 12C951E7 080EDA1F 41300D06 092A8648
86F70D01

  01040500 03818100 65A6D08B E26C80B3 6E4B3725 5A398282 D28048D1
D0FB2281

  FD8719A4 9632EB07 C898B58A 044D99F4 D7ECF2B0 FB30BA75 46FB964A
88913FA5

  DF79D189 932C2648 B781955E 7A909D72 EAE5E18D E67FFCBA 828F4A8F
F99511DF

  58CD947E 340C14EE 0D3013FB A41AC1B5 92C86A52 A4181945 C8CE8AAB
D556FF98

  D436AD08 CD3F7CF6

  quit

!

class-map match-any call-sig

 match ip dscp cs3

 match ip dscp af31

class-map match-any protocols

 match ip dscp cs6

 match ip dscp cs7

class-map match-all voice

 match ip dscp ef

!

!

policy-map Voice_QoS

 class voice

  priority percent 50

 class call-sig

  bandwidth percent 10

 class protocols

  bandwidth percent 5

 class class-default

   police 1000000 conform-action transmit  exceed-action drop

!

!

!

!

interface FastEthernet0/0

 bandwidth 1500

 ip address 10.254.252.129 255.255.255.128

 load-interval 30

 speed 100

 full-duplex

 no mop enabled

 service-policy output Voice_QoS

!

interface FastEthernet0/1

 no ip address

 shutdown

 duplex auto

 speed auto

!

interface FastEthernet0/1/0

!

interface FastEthernet0/1/1

!

interface FastEthernet0/1/2

!

interface FastEthernet0/1/3

!

interface FastEthernet0/1/4

!

interface FastEthernet0/1/5

!

interface FastEthernet0/1/6

!

interface FastEthernet0/1/7

!

interface FastEthernet0/1/8

!

interface Vlan1

 ip address 10.254.252.1 255.255.255.128

!

ip route 0.0.0.0 0.0.0.0 10.254.252.254

ip route 10.255.255.0 255.255.255.0 10.254.252.254

!

!

ip http server

ip http authentication local

ip http secure-server

!

logging 10.255.255.215

!

!

control-plane

!

!

!

voice-port 0/2/0

 cptone C1

 description Fax Machine

!

voice-port 0/2/1

 cptone C1

 description Petra Fax Machine

!

voice-port 0/2/2

 cptone C1

 description Credit card machine

!

voice-port 0/2/3

 cptone C1

!

voice-port 0/3/0

!

voice-port 0/3/1

!

ccm-manager fallback-mgcp

ccm-manager redundant-host 10.255.255.211

ccm-manager mgcp

ccm-manager music-on-hold

ccm-manager config server 10.255.255.210

ccm-manager config

ccm-manager download-tones

!

mgcp

mgcp call-agent 10.255.255.210 2427 service-type mgcp version 0.1

mgcp rtp unreachable timeout 1000 action notify

mgcp package-capability rtp-package

no mgcp package-capability res-package

mgcp package-capability sst-package

no mgcp package-capability fxr-package

mgcp package-capability pre-package

no mgcp timer receive-rtcp

mgcp sdp simple

mgcp fax t38 inhibit

mgcp rtp payload-type g726r16 static

mgcp bind control source-interface FastEthernet0/0

mgcp bind media source-interface FastEthernet0/0

!

mgcp profile default

!

!

!

dial-peer voice 999020 pots

 service mgcpapp

 port 0/2/0

!

dial-peer voice 999021 pots

 service mgcpapp

 port 0/2/1

!

dial-peer voice 999022 pots

 service mgcpapp

 port 0/2/2

!

dial-peer voice 999023 pots

 service mgcpapp

 port 0/2/3

!

!

line con 0

 login local

line aux 0

line vty 0 4

 password 7 03550F0A400E751D

 login

 transport input telnet ssh

line vty 5 15

 password 7 03550F0A400E751D

 login

 transport input telnet ssh

!

scheduler allocate 20000 1000

ntp clock-period 17179981

ntp update-calendar

ntp server 128.118.25.3 prefer

end

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