hi everyone, i have stumbled on an issue that i'm not sure how to diagnose
for a police department we have the phones setup in this fashion.
cisco 2821 with hard lines go into 2 fxo cards, 6 lines total
half of the lines are for 911
the rest are roll over lines for the primary number.
the numbers are plared into the router, and call control happens at our primary callmanager. which we're upgrading at the moment. we are currently on 126.96.36.199 -- upgrading to the latest and greatest version 9 soon, we just have to upgrade the unity connection and presence.
one other thing i'd like to mention about the voice ports is the ports are split in 3 way's
each pair of wire goes to three seperate devices on a phone block. one of them being the router, the other is the voice recorder that we have. it runs those phones on a 25 pair cable going to the server, lastly they are punched down on a patch panel as last effort incase for some reason the dispatch center looses power, phones can be still answered after analog phones are patched in.
the IOS on the 2821 is 12.4(24) T i know that i will have to upgrade this to the latest 15.1 software as we upgrade.
users are stating some calls are not being picked up at their handsets, or they hear no voice at the other end. looking at call legs i do see SelectedQoS=best-effort
that shouldnt be best effiort right?
my class maps are configured as :
class-map match-any VOICE
match ip dscp ef
match ip precedence 5
class-map match-any VOIP-SIG
match ip dscp cs3
policy map :
bandwidth remaining percent 50
bandwidth remaining percent 10
the router has the policy applied to the network interface outbound.
if needed here is my config:
service timestamps debug datetime msec
service timestamps log datetime msec
boot system flash:c2800nm-advipservicesk9-mz.124-24.T1.bin
logging message-counter syslog
logging buffered 50000
no logging console
enable secret xxxxxxxx
aaa authentication login default group tacacs+ local
aaa authentication login Console group tacacs+ local enable
aaa authorization console
aaa authorization exec default group tacacs+ local
aaa authorization exec Telnet group tacacs+ if-authenticated
aaa authorization commands 1 default group tacacs+
aaa authorization commands 15 default group tacacs+ local
is it possible that the issue is happening on the carrier side then paolo? and why would the QoS config not be needed? i figured the policy was needed. keep in mind, this router only does that job and nothing more.
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The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
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