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PLAR creates a permanent association between a voice port and a destination number (or voice port). When PLAR is
configured, going off-hook on that voice port automatically dials the pattern specified by the connection plar <number>
command. The caller does not hear a dial tone and does not have to dial a number. Think of PLAR as a hotline; pick up
the Batline and you get Batman without having to dial.
The following shows a simple PLAR configuration that will call 867-5309 when the phone goes off-hook:
voice port 1/0/0
connection plar 8675309
Troubleshooting Dial Plans and Dial Peers
The following sections discuss some of the commands available to troubleshoot your configuration.
show dial-peer voice
To display information for voice dial peers, use the show dial-peer voice command in user EXEC or privileged EXEC
mode.
show d i a l - p e e r voice [number | summary]
Syntax Description
number (Optional) A specific voice dial peer. Output displays detailed information about that dial peer.
summary (Optional) Output displays a short summary of each voice dial peer.
If both the name argument and summary keyword are omitted, output displays detailed information about all voice dial
peers.
The following is sample output from this command for a VoIP dial peer:
Router# show d i a l - p e e r voice 101
VoiceOverIpPeer101
peer type = voice, i n f o r m a t i o n type = v o i c e,
d e s c r i p t i o n = ' ' ,
tag = 6001, d e s t i n a t i o n - p a t t e r n = " 6 0 0 1 ',
answer-address = ' ' , preference=0,
CLID R e s t r i c t i o n = None
CLID Network Number = "1
CLID Second Number sent
CLID Override RDNIS = d i s a b l e d,
source c a r r i e r - i d = target c a r r i e r - i d =
source t r u n k - g r o u p - l a b e l = ' ' , target t r u n k - g r o u p - l a b e l = ' ' ,
numbering Type = "unknown'
group = 6001, Admin s t a t e is up, Operation s t a t e is up,
incoming c a l l e d - number = connections/maximum = 0 / u n l i m i t e d,
DTMF Relay = d i s a b l e d,
<output omitted>
© 2008 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 147 for more details.
d i a l - p e e r hunt 0
PASS
TAG TYPE ADMIN OPER PREFIX DEST-PATTERN PREF THRU SESS TARGET
100 pots up up 0
101 voip up up 5550112 0 syst i p v4 10.10.1 1
102 voip up up 5550134 0 syst i p v4 10.10.1 1
99 voip up down 0 syst
33 pots up down 0
debug voip dialpeer inout
To display information about the voice dial peers, use the debug voip dialpeer command in privileged EXEC mode.
Router# debug voip dialpeer inout
v o i p dialpeer inout debugging is on
*May 1 19:32:11.731: //-1/6372E2598012/DPM/dpAssociateIncomingPeerCore:
Result=Success(0) a f t e r DP_MATCH_INCOMING_DNIS; Incoming Dial-peer=100
*May 1 19:32:11.731: //-1/6372E2598012/DPM/dpAssociateIncomingPeerCore:
C a l l i n g Number=4085550111, Called Number=3600, V o i c e - l n t e r f a c e = 0 x 0,
Timeout=TRUE, Peer Encap Type=ENCAP_VOIP, Peer Search Type=PEER_TYPE_VOICE,
Peer I n f o Type=DIALPEER_INFO_SPEECH
*May 1 19:32:11.731: //-1/6372E2598012/DPM/dpAssociateIncomingPeerCore:
Result=Success(0) a f t e r DP_MATCH_INCOMING_DNIS; Incoming Dial-peer=100
*May 1 19:32:11.735: //-1/6372E2598012/DPM/dpMatchPeersCore:
C a l l i n g Number=, Called Number=3600, Peer I n f o Type=DIALPEER_INFO_SPEECH
© 2008 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 147 for more details.
The following is sample output from this command with the summary keyword:
Router# show d i a l - p e e r voice summary
Troubleshooting Signaling for POTS Call Legs
show controllers t1
The show controllers tl command displays Tl (or E l ) controller status and function. The following is sample output
from this command:
Router# show c o n t r o l l e r s t1
T1 4/1 i s up.
Applique type is Channelized T1
Cablelength is short 133
No alarms detected.
Framing is ESF, Line Code is AMI, Clock Source is l i ne
Data in current i n t e r v a l (10 seconds elapsed):
0 Line Code V i o l a t i o n s , 0 Path Code V i o l a t i o n s 0 S l i p Sees, 0 Fr Loss Sees,
© 2008 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 147 for more details.
*May 1 19:32:11.735: //-1/6372E2598012/DPM/dpMatchPeersCore:
Match Rule=DP_MATCH_DEST; Called Number=3600
*May 1 19:32:11.735: //-1/6372E2598012/DPM/dpMatchPeersCore:
Result=Success(0) a f t e r DP_MATCH_DEST
*May 1 19:32:11.735: //-1/6372E2598012/DPM/dpMatchPeersMoreArg:
Result=SUCCESS(0)
The following event shows the matched dial peers in the order of priority:
List of Matched Outgoing Dial Peer(s):
1: Dial PeerTag=3600
2: Dial Peer Tag=36
Connecting a VoIP System to a Service Provider Network
0 Line Err Sees, 0 Degraded Mins 0 Errored Sees, 0 Bursty Err Sees,
0 Severely Err Sees, 0 Unavail Sees
In this output, no alarms were detected. Possible alarms are as follows:
• Transmitter is sending remote alarm.
• Transmitter is sending AIS.
• Receiver has loss of signal.
• Receiver is getting AIS.
• Receiver has loss of frame.
• Receiver has remote alarm.
• Receiver has no alarms.
show voice port
Use the show voice port command to display configuration and voice-interface-card-specific information about a specific
port.
The following is sample output for an E&M analog voice port:
Router# show voice port 1/0/0
E&M Slot is 1, Sub-unit is 0, Port is 0
Type of VoicePort is E&M
Operation State is DORMANT
A d m i n i s t r a t i v e State is UP
I n i t i a l Time Out is set to 0 s
I n t e r d i g i t Time Out is set to 0 s
© 2008 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 147 for more details.
© 2008 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 147 for more details.
Analog Info Follows:
Region Tone is set f o r northamerica
Voice card s p e c i f i c I n f o Follows:
Signal Type is w i n k - s t a rt
Operation Type is 2-wire
E&M Type is 1
D i a l Type is dtmf
I n Seizure is i n a c t i ve
Out Seizure is i n a c t i ve
show dialplan number
To display which outgoing dial peer is reached when a particular telephone number is dialed, use the show dialplan
number command in privileged EXEC mode.
Router# show d i a l p l a n number 1001
Macro Exp.: 1001
VoiceEncapPeer1003
i n f o r m a t i o n type = voice,
t ag = 1003, d e s t i n a t i o n - p a t t e r n = 1001',
answer-address = ' ' , preference=0,
numbering Type = 1 unknown'
group = 1003, Admin s t a t e is up, Operation s t a t e is up,
incoming called-number = ' ' , connections/maximum = 0 / u n l i m i t e d,
DTMF Relay = d i s a b l e d,
huntstop = enabled,
type = pots, p r e f i x = ' ' ,
f o r w a r d - d i g i t s default
s e s s i o n - t a r g e t = 1 ' , voice-port = '1/1'
debug voip ccapi inout
The debug voip ccapi inout command traces the execution path through the call control API, which serves as the interface
between the call session application and the underlying network-specific software. You can use the output from this
command to understand how calls are being handled by the router. This command shows how a call flows through the
system. Using this debug level, you can see the call setup and teardown operations performed on both the telephony and
network call legs.
Router# debug voip ccapi inout
v o i p ccapi inout debugging is on
NOTE
This debug generates a
very long output, which
is impractical to fully
duplicate here. I suggest
you familiarize yourself
with sample outputs from
the Cisco IOS Debug
Command Guide or
better yet from your own
lab experimentation.
The following lines show information about the calling and called numbers. The network presentation indicator (NPI)
shows the type of transmission. The Incoming Dial-Peer field shows that the incoming dial peer has been matched.
*Apr 18 20:42:19.347: //-1/9C5A9CA88009/CCAPI/cc_api_call_setup_ind_common:
Interface=0x64F26F10, Call I n f o(
Calling Number=4085550111(TON=National, NPI=ISDN, Screening=User, Passed,
Presentation=Allowed),
Called Number=83103(TON=Unknown, NPI=Unknown),
C a l l i n g Translated=FALSE, Subsriber Type Str=RegularLine, FinalDestinationFlag=TRUE,
Incoming Dial-peer=1, Progress Indication=NULL(0), C a l l i n g IE Present=TRUE,
Source Trkgrp Route Label=, Target Trkgrp Route Label=, CLID Transparent=FALSE), Call
Id=-1
*Apr 18 20:42:19.347: //-1/9C5A9CA88009/CCAPI/ccCheckClipClir:
I n : C a l l i n g Number=4085550111(TON=National, NPI=ISDN, Screening=User, Passed,
Presentation=Allowed)
*Apr 18 20:42:19.347: //-1/9C5A9CA88009/CCAPI/ccCheckClipClir:
Out: C a l l i n g Number=4085550111(TON=National, NPI=ISDN, Screening=User, Passed,
Presentation=Allowed)
© 2008
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