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	After configuring the voice ports on your router, follow these steps to verify proper operation:		After configuring the voice ports on your router, follow these steps to verify proper operation:

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2009-12-17T23:47:09Z

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	After configuring the voice ports on your router, follow these steps to verify proper operation:		After configuring the voice ports on your router, follow these steps to verify proper operation:

Pzimmerm at 22:49, 5 March 2009

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	Another item to examine if the digits appear to be sent correctly are any number translation tables in the switch (CO or PBX) that may add or remove digits. Refer to your switch documentation to check the translation tables on your switch.		Another item to examine if the digits appear to be sent correctly are any number translation tables in the switch (CO or PBX) that may add or remove digits. Refer to your switch documentation to check the translation tables on your switch.
-
-	~~[[Category:IOS Voice Troubleshooting]]~~

Pzimmerm: 1 revision

2009-03-05T22:22:53Z

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Pzimmerm: /* show voice port Samples */

2009-03-05T04:45:59Z

show voice port Samples

New page

After configuring the voice ports on your router, follow these steps to verify proper operation:

{| align="right" border="1"
|align="center"|'''Guide Contents'''
|-
|[[Cisco IOS Voice Troubleshooting and Monitoring Guide#Troubleshooting Cisco IOS Voice Overview|Troubleshooting Cisco IOS Voice Overview]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Debug Command Output on Cisco IOS Voice Gateways|Debug Command Output on Cisco IOS Voice Gateways]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Filtering Troubleshooting Output|Filtering Troubleshooting Output]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Cisco VoIP Internal Error Codes|Cisco VoIP Internal Error Codes]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Troubleshooting Cisco IOS Voice Telephony|Troubleshooting Cisco IOS Voice Telephony]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Troubleshooting Cisco IOS Voice Protocols|Troubleshooting Cisco IOS Voice Protocols]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Troubleshooting Cisco IOS Telephony Applications|Troubleshooting Cisco IOS Telephony Applications]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Monitoring the Cisco IOS Voice Network|Monitoring the Cisco IOS Voice Network]] [[Cisco IOS Voice Troubleshooting and Monitoring Guide#Cause Codes and Debug Values|Cause Codes and Debug Values]]
|}

==== SUMMARY STEPS ====
# Check for dial tone.
# Check for DTMF detection.
# '''show voice port summary'''
# '''show voice port'''
# '''show running-config'''
# show controller {t1 | e1} ''controller-number''
# '''show voice dsp'''
# '''show voice call summary'''
# '''show call active voice'''
# '''show call history voice''' {'''last''' | ''number'' | '''brief'''}

==== DETAILED STEPS ====

1. Pick up the handset of an attached telephony device and check for a dial tone.

2. If you have dial tone, check for DTMF detection. If the dial tone stops when you dial a digit, then the voice port is most likely configured properly for DTMF detection.

3. To identify port numbers of voice interfaces installed in your router, use the '''show voice port summary''' command.

4. To verify voice-port parameter settings, enter the '''show voice port''' command with the appropriate syntax for your voice interfaces.

5. For digital T1/E1 connections, to verify the codec complexity configuration, enter the '''show running-config''' command to display the current voice-card setting. If medium complexity is specified, the codec complexity setting is not displayed. If high complexity is specified, the setting codec complexity '''high''' is displayed. The following example shows an excerpt from the command output when high complexity has been specified:

Router# show running-config
.
.
.
hostname router-alpha

voice-card 0
codec complexity high
.
.
.

6. For digital T1/E1 connections, to verify that the controller is up and that no alarms have been reported, and to display information about clock sources and other controller settings, use the '''show controller''' command. For output examples, see the [[Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification#show controller Samples|show controller Samples]].

Router# show controller {t1 | e1} controller-number

7. To display voice-channel configuration information for all DSP channels, enter the '''show voice dsp'''''' command'''. For output examples, see the [[Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification#show voice dsp Samples|show voice dsp Samples]].

Router# show voice dsp

8. To verify the call status for all voice ports, enter the '''show voice call summary'''''' command'''. For output examples, see the [[Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification#show voice call summary Samples|show voice call summary Samples]].

Router# show voice call summary

9. To display the contents of the active call table, which shows all of the calls currently connected through the router or concentrator, enter '''the ''''''show call active voice'''''' command'''. For output examples, see the [[Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification#show call active voice Samples|show call active voice Samples]].

Router# show call active voice

10. To display the contents of the call history table, enter the '''show call history voice'''''' command'''. To limit the display to the last calls connected through this router, enter the keyword '''last''' and define the number of calls to be displayed with the argument ''number''. To limit the display to a shortened version of the call history table, use the keyword '''brief'''. For output examples, see the [[Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification#show call history voice Sample|show call history voice Sample]].

Router# show call history voice {last | number | brief}

== show voice port Samples ==

In the following sections, output examples of the following types are shown:
* Cisco 3600 series digital E&M voice port
* Cisco AS5300 universal access server T1 CAS voice port
* Cisco 7200 series router digital E&M voice port

===== Cisco 3600 Digital E&M Voice Port =====

Router# '''show voice port 1/0:1'''

receEive and transMit Slot is 1, Sub-unit is 0, Port is 1
Type of VoicePort is E&M
Operation State is DORMANT
Administrative State is UP
No Interface Down Failure
Description is not set
Noise Regeneration is enabled
Non Linear Processing is enabled
Music On Hold Threshold is Set to -38 dBm
In Gain is Set to 0 dB
Out Attenuation is Set to 0 dB
Echo Cancellation is enabled
Echo Cancel Coverage is set to 8 ms
Connection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 s
Interdigit Time Out is set to 10 s
Region Tone is set for US

===== Cisco AS5300 Universal Access Server T1 CAS Voice Port =====

Router# show voice port

DS0 Group 1:0 - 1:0
Type of VoicePort is CAS
Operation State is DORMANT
Administrative State is UP
No Interface Down Failure
Description is not set
Noise Regeneration is enabled
Non Linear Processing is enabled
Music On Hold Threshold is Set to -38 dBm
In Gain is Set to 0 dB
Out Attenuation is Set to 0 dB
Echo Cancellation is enabled
Echo Cancel Coverage is set to 8 ms
Playout-delay Mode is set to default
Playout-delay Nominal is set to 60 ms
Playout-delay Maximum is set to 200 ms
Connection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 s
Interdigit Time Out is set to 10 s
Call-Disconnect Time Out is set to 60 s
Ringing Time Out is set to 180 s
Companding Type is u-law
Region Tone is set for US
Wait Release Time Out is 30 s
Station name None, Station number None

Voice card specific Info Follows:

DS0 channel specific status info:
IN OUT
PORT CH SIG-TYPE OPER STATUS STATUS TIP RING

===== Cisco 7200 Series Router Digital E&M Voice Port =====

Router# '''show voice port''' 1/0:1
receEive and transMit Slot is 1, Sub-unit is 0, Port is 1 << voice-port 1/0:1
Type of VoicePort is E&M
Operation State is DORMANT
Administrative State is UP
No Interface Down Failure
Description is not set
Noise Regeneration is enabled
Non Linear Processing is enabled
Music On Hold Threshold is Set to -38 dBm
In Gain is Set to 0 dB
Out Attenuation is Set to 0 dB
Echo Cancellation is enabled
Echo Cancel Coverage is set to 8 ms
Connection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 s
Interdigit Time Out is set to 10 s
Region Tone is set for US

== show controller Samples ==

In the following sections, output examples of the following types are shown:
* Cisco 3600 series router T1 controller
* Cisco AS5800 universal access server T1 controller

===== Cisco 3600 Series Router T1 Controller =====

Router# show controller T1 1/1/0
T1 1/0/0 is up.
Applique type is Channelized T1
Cablelength is long gain36 0db
No alarms detected.
alarm-trigger is not set
Framing is ESF, Line Code is B8ZS, Clock Source is Line.
Data in current interval (180 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

===== Cisco AS5800 Universal Access Server T1 Controller =====

Router# '''show controller''' '''t1 2'''
T1 2 is up.
No alarms detected.
Version info of slot 0: HW: 2, Firmware: 16, PLD Rev: 0

Manufacture Cookie Info:
EEPROM Type 0x0001, EEPROM Version 0x01, Board ID 0x42,
Board Hardware Version 1.0, Item Number 73-2217-4,
Board Revision A0, Serial Number 06467665,
PLD/ISP Version 0.0, Manufacture Date 14-Nov-1997.

Framing is ESF, Line Code is B8ZS, Clock Source is Internal.
Data in current interval (269 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

== show voice dsp Samples ==

The following output is from a Cisco 3640 router when a digital voice port is configured.

Router# '''show voice dsp'''
TYPE DSP CH CODEC VERS STATE STATE RST AI PORT TS ABORT TX/RX-PAK-CNT
==== === == ======== ==== ===== ======= === == ======= == ===== ===============
C549 010 00 g729r8 3.3 busy idle 0 0 1/015 1 0 67400/85384
01 g729r8 .8 busy idle 0 0 1/015 7 0 67566/83623
02 g729r8 busy idle 0 0 1/015 13 0 65675/81851
03 g729r8 busy idle 0 0 1/015 20 0 65530/83610
C549 011 00 g729r8 3.3 busy idle 0 0 1/015 2 0 66820/84799
01 g729r8 .8 busy idle 0 0 1/015 8 0 59028/66946
02 g729r8 busy idle 0 0 1/015 14 0 65591/81084
03 g729r8 busy idle 0 0 1/015 21 0 66336/82739
C549 012 00 g729r8 3.3 busy idle 0 0 1/015 3 0 59036/65245
01 g729r8 .8 busy idle 0 0 1/015 9 0 65826/81950
02 g729r8 busy idle 0 0 1/015 15 0 65606/80733
03 g729r8 busy idle 0 0 1/015 22 0 65577/83532
C549 013 00 g729r8 3.3 busy idle 0 0 1/015 4 0 67655/82974
01 g729r8 .8 busy idle 0 0 1/015 10 0 65647/82088
02 g729r8 busy idle 0 0 1/015 17 0 66366/80894
03 g729r8 busy idle 0 0 1/015 23 0 66339/82628
C549 014 00 g729r8 3.3 busy idle 0 0 1/015 5 0 68439/84677
01 g729r8 .8 busy idle 0 0 1/015 11 0 65664/81737
02 g729r8 busy idle 0 0 1/015 18 0 65607/81820
03 g729r8 busy idle 0 0 1/015 24 0 65589/83889
C549 015 00 g729r8 3.3 busy idle 0 0 1/015 6 0 66889/83331
01 g729r8 .8 busy idle 0 0 1/015 12 0 65690/81700
02 g729r8 busy idle 0 0 1/015 19 0 66422/82099
03 g729r8 busy idle 0 0 1/015 25 0 65566/83852
Router# show voice dsp
TYPE DSP CH CODEC VERS STATE STATE RST AI PORT TS ABORT TX/RX-PAK-CNT
==== === == ======== ==== ===== ======= === == ======= == ===== ===============
C549 007 00 {medium} 3.3 IDLE idle 0 0 1/0:1 4 0 0/0
.13
C549 008 00 {medium} 3.3 IDLE idle 0 0 1/0:1 5 0 0/0
.13
C549 009 00 {medium} 3.3 IDLE idle 0 0 1/0:1 6 0 0/0
.13
C549 010 00 {medium} 3.3 IDLE idle 0 0 1/0:1 7 0 0/0
.13
C549 011 00 {medium} 3.3 IDLE idle 0 0 1/0:1 8 0 0/0
.13
C549 012 00 {medium} 3.3 IDLE idle 0 0 1/0:1 9 0 0/0
.13
C542 001 01 g711ulaw 3.3 IDLE idle 0 0 2/0/0 0 512/519
.13
C542 002 01 g711ulaw 3.3 IDLE idle 0 0 2/0/1 0 505/502
.13
C542 003 01 g711alaw 3.3 IDLE idle 0 0 2/1/0 0 28756/28966
.13
C542 004 01 g711ulaw 3.3 IDLE idle 0 0 2/1/1 0 834/838
.13

== show voice call summary Samples ==

The following is an output example of show voice call summary on a Cisco 3600 series router digital voice port:

===== Cisco 3600 Series Router Digital Voice Port =====

Router# '''show voice call summary'''
PORT CODEC VAD VTSP STATE VPM STATE
========= ======== === ===================== ========================
1/015.1 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.2 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.3 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.4 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.5 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.6 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.7 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.8 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.9 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.10 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.11 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.12 g729r8 y S_CONNECT S_TSP_CONNECT

== show call active voice Samples ==

The output from the Cisco 7200 series router is shown below.

Router# show call active voice
GENERIC:
SetupTime=94523746 ms
Index=448
PeerAddress=##73072
PeerSubAddress=
PeerId=70000
PeerIfIndex=37
LogicalIfIndex=0
ConnectTime=94524043
DisconectTime=94546241
CallOrigin=1
ChargedUnits=0
InfoType=2
TransmitPackets=6251
TransmitBytes=125020
ReceivePackets=3300
ReceiveBytes=66000
VOIP:
ConnectionId[0x142E62FB 0x5C6705AF 0x0 0x385722B0]
RemoteIPAddress=171.68.235.18
RemoteUDPPort=16580
RoundTripDelay=29 ms
SelectedQoS=best-effort
tx_DtmfRelay=inband-voice
SessionProtocol=cisco
SessionTarget=ipv4:171.68.235.18
OnTimeRvPlayout=63690
GapFillWithSilence=0 ms
GapFillWithPrediction=180 ms
GapFillWithInterpolation=0 ms
GapFillWithRedundancy=0 ms
HiWaterPlayoutDelay=70 ms
LoWaterPlayoutDelay=30 ms
ReceiveDelay=40 ms
LostPackets=0 ms
EarlyPackets=1 ms
LatePackets=18 ms
VAD = disabled
CoderTypeRate=g729r8
CodecBytes=20
cvVoIPCallHistoryIcpif=0
SignalingType=cas

== show call history voice Sample ==

The following output is for the Cisco 7200 series router.

Router# show call history voice
GENERIC:
SetupTime=94893250 ms
Index=450
PeerAddress=##52258
PeerSubAddress=
PeerId=50000
PeerIfIndex=35
LogicalIfIndex=0
DisconnectCause=10
DisconnectText=normal call clearing.
ConnectTime=94893780
DisconectTime=95015500
CallOrigin=1
ChargedUnits=0
InfoType=2
TransmitPackets=32258
TransmitBytes=645160
ReceivePackets=20061
ReceiveBytes=401220
VOIP:
ConnectionId[0x142E62FB 0x5C6705B3 0x0 0x388F851C]
RemoteIPAddress=171.68.235.18
RemoteUDPPort=16552
RoundTripDelay=23 ms
SelectedQoS=best-effort
tx_DtmfRelay=inband-voice
SessionProtocol=cisco
SessionTarget=ipv4:171.68.235.18
OnTimeRvPlayout=398000
GapFillWithSilence=0 ms
GapFillWithPrediction=1440 ms
GapFillWithInterpolation=0 ms
GapFillWithRedundancy=0 ms
HiWaterPlayoutDelay=97 ms
LoWaterPlayoutDelay=30 ms
ReceiveDelay=49 ms
LostPackets=1 ms
EarlyPackets=1 ms
LatePackets=132 ms
VAD = disabled
CoderTypeRate=g729r8
CodecBytes=20
cvVoIPCallHistoryIcpif=0

== Verifying Digits Received and Sent on the POTS Call Leg ==

Once the on-hook and off-hook signaling are verified to be working correctly, verify the correct digits are being received or sent on the digital voice port. A dial peer that does not matched or the switch (CO or PBX) cannot ring the correct station if incomplete or incorrect digits are being sent or received. Some commands that can be used to verify the digits received or sent are:
* '''show dialplan number'''-This command is used to show which dial peer is reached when a particular telephone number is dialed.
* '''debug vtsp session'''-This command displays information on how each network indication and application request is processed, signaling indications, and DSP control messages.
* '''debug vtsp dsp'''-This command displays the digits as they are received by the voice port.
* '''debug vtsp all'''-This command enables the following debug voice telephony service provider (VTSP) commands: '''debug vtsp session''', '''debug vtsp error''', and '''debug vtsp dsp'''.

==== show dialplan number ====

The '''show dialplan number''' command displays the dial peer that is matched by a string of digits. If multiple dial-peers can be matched, they are all shown in the order in which they are matched. The output of this command looks like this:

Router# show dialplan number 5000
Macro Exp.: 5000
VoiceOverIpPeer2
information type = voice,
tag = 2, destination-pattern = `5000',
answer-address = `', preference=0,
group = 2, Admin state is up, Operation
state is up,
incoming called-number = `',
connections/maximum = 0/unlimited,
application associated:
type = voip, session-target =
`ipv4:192.168.10.2',
technology prefix:
ip precedence = 5, UDP checksum =
disabled, session-protocol = cisco,
req-qos = best-effort,
acc-qos = best-effort,
dtmf-relay = cisco-rtp,
fax-rate = voice,
payload size = 20 bytes
codec = g729r8,
payload size = 20 bytes,
Expect factor = 10, Icpif = 30,
signaling-type = cas,
VAD = enabled, Poor QOV Trap = disabled,
Connect Time = 25630, Charged Units = 0,
Successful Calls = 25, Failed Calls = 0,
Accepted Calls = 25, Refused Calls = 0,
Last Disconnect Cause is "10 ",
Last Disconnect Text is "normal call
clearing.",
Last Setup Time = 84427934.
Matched: 5000 Digits: 4
Target: ipv4:192.168.10.2

==== debug vtsp dsp ====

'''debug vtsp dsp''' shows the digits as they are received by the voice-port. The following output shows the collection of DTMF digits from the DSP:

Router# debug vtsp dsp
Voice telephony call control dsp debugging is on
!-- ACTION: Caller picked up handset and dialed
!-- digits 5000.
!-- The DSP detects DTMF digits. Digit 5 was
!-- detected with ON time of 130msec.
*Mar 10 17:57:08.505: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_BEGIN: digit=5,
*Mar 10 17:57:08.585: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_OFF: digit=5,
duration=130
*Mar 10 17:57:09.385: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_BEGIN: digit=0
*Mar 10 17:57:09.485: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_OFF: digit=0,
duration=150
*Mar 10 17:57:10.697: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_BEGIN: digit=0
*Mar 10 17:57:10.825: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_OFF: digit=0,
duration=180
*Mar 10 17:57:12.865: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_BEGIN: digit=0
*Mar 10 17:57:12.917: vtsp_process_dsp_message:
MSG_TX_DTMF_DIGIT_OFF: digit=0,
duration=100

Router# debug vtsp session
Voice telephony call control session debugging is on
!--- <some output have been omitted>
!-- ACTION: Caller picked up handset.
!-- The DSP is allocated, jitter buffers, VAD
!-- thresholds, and signal levels are set.
*Mar 10 18:14:22.865: dsp_set_playout: [1/0/0 (69)]
packet_len=18 channel_id=1 packet_id=76 mode=1
initial=60 min=4 max=200 fax_nom=300
*Mar 10 18:14:22.865: dsp_echo_canceller_control:
[1/0/0 (69)] packet_len=10 channel_id=1 packet_id=66
flags=0x0
*Mar 10 18:14:22.865: dsp_set_gains: [1/0/0 (69)]
packet_len=12 channel_id=1 packet_id=91
in_gain=0 out_gain=65506
*Mar 10 18:14:22.865: dsp_vad_enable: [1/0/0 (69)]
packet_len=10 channel_id=1 packet_id=78
thresh=-38 act_setup_ind_ack
*Mar 10 18:14:22.869: dsp_voice_mode: [1/0/0 (69)]
packet_len=24 channel_id=1 packet_id=73 coding_type=1
voice_field_size=80
VAD_flag=0 echo_length=64 comfort_noise=1
inband_detect=1 digit_relay=2
AGC_flag=0act_setup_ind_ack(): dsp_dtmf_mod
e()act_setup_ind_ack: passthru_mode = 0,
no_auto_switchover = 0dsp_dtmf_mode
(VTSP_TONE_DTMF_MODE)
!-- The DSP is put into "voice mode" and dial-tone is
!-- generated.
*Mar 10 18:14:22.873: dsp_cp_tone_on: [1/0/0 (69)]
packet_len=30 channel_id=1 packet_id=72 tone_id=4
n_freq=2 freq_of_first=350 freq_of_second=440 amp_of_first=
4000 amp_of_second=4000 direction=1 on_time_first=65535
off_time_first=0 on_time
_second=65535 off_time_second=0

If the digits are not being sent or received properly, then it might be necessary to use either a digit-grabber (test tool) or T1 tester to verify that the digits are being sent at the correct frequency and timing interval. If they are being sent "incorrectly" for the switch (CO or PBX), some values on the router or switch (CO or PBX) might need to be adjusted so that they match and can interoperate. These are usually digit duration and inter-digit duration values.

Another item to examine if the digits appear to be sent correctly are any number translation tables in the switch (CO or PBX) that may add or remove digits. Refer to your switch documentation to check the translation tables on your switch.

[[Category:IOS Voice Troubleshooting]]

Cisco IOS Voice Troubleshooting and Monitoring -- Digital Voice-Port Configuration Verification - Revision history

Pzimmerm: added metadata

Pzimmerm: Added required metadata template

Pzimmerm at 22:49, 5 March 2009

Pzimmerm: 1 revision

Pzimmerm: /* show voice port Samples */