Cisco UC500 series Manuel de configuration - Page 49
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•
Debug commands:
debug ccsip message
•
Common areas to check:
•
Check ephone-dns / hunt groups / dialplan patterns / POTS dial peers to
ensure registration of only required numbers is done
•
Make sure registrar server CLI under sip-ua is correct
•
Make sure the authentication CLI under sip-ua is correct
•
Make sure the registrar server can be reachable (especially if using DNS)
5.3
Troubleshooting SIP inbound or outbound calls on the UC500
If calls are not being able to be placed to / from the UC500 to the SIP – the below would
be useful to look at:
•
Show commands:
show ephone registered
show voip rtp connection
show sip-ua call
show call active voice brief
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Debug commands:
debug ccsip message
debug voip ccapi inout
debug voice translation
debug ephone detail mac-address <mac of phone>
debug voip rtp session named-events
debug sccp message
•
Common areas to check:
•
If no inbound or outbound calls are successful DNS resolution may not be
working
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From the CLI, attempt to ping the DNS
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Check "ip nameserver" addresses.
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Make sure that "no ip domain-lookup" is NOT configured
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If no inbound or outbound calls are successful DNS resolution may not be
working or registration may have failed
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to check the SIP Register message
Ensure the SCCP phones are registered
Check the RTP streams & IP address / port numbers
Check if the active SIP calls are up
Check if there are SIP & SCCP call legs up
for SIP messages in & out
for generic IOS voice stack – dialpeers etc
for IOS voice translation rules
for RFC 2833 DTMF
for Xcoder if that is involved in call flow
for SCCP phone