We are using Cisco 2921s to implement a land mobile radio over IP solution as a TDM E1 (radio lmr side) to Multicast gateway (for consoles/dispatch connections). We have experienced issues with the voice ports going dormant after momentary interuption in the E1 circuit between the radio equipment and the E1 controller on the 2921. The voice port remains in dormant stat until the port is shut/no shut or the 2921 is reloaded. I've coppied a sh voice port 0/0/0:0 output below and parts of sh run. The port type is set up as lmr. The radio voice controller is a TDM E1 channel bank/conference bridge with no CAS signaling. I am looking for help with bringing the port into service unconditionally?
session target ipv4:x.111.7.111:20000 !removed multicast IP according to company policy
recEive and transMit Slot is 0, Subslot is 0, Sub-unit is 0, Port is 0 Type of VoicePort is E&M Operation State is DORMANT
Administrative State is UP The Last Interface Down Failure Cause is Administrative Shutdown Description is xxx
Noise Regeneration is disabled Non Linear Processing is enabled Non Linear Mute is disabled Non Linear Threshold is -21 dB Music On Hold Threshold is Set to -30 dBm In Gain is Set to 0 dB Out Attenuation is Set to 6 dB Echo Cancellation is enabled Echo Cancellation NLP mute is disabled Echo Cancellation NLP threshold is -21 dB Echo Cancel Coverage is set to 32 ms Echo Cancel worst case ERL is set to 6 dB Playout-delay Mode is set to adaptive Playout-delay Nominal is set to 60 ms Playout-delay Maximum is set to 1000 ms Playout-delay Minimum mode is set to default, value 40 ms Playout-delay Fax is set to 300 ms Connection Mode is trunk Connection Number is 1 trunk connection retry timer is 5 second Initial Time Out is set to 15 s Interdigit Time Out is set to 10 s Call Disconnect Time Out is set to 3 s Ringing Time Out is set to 180 s Wait Release Time Out is set to 30 s Companding Type is A-law Rx A bit no conditioning set Rx B bit no conditioning set Rx C bit no conditioning set Rx D bit no conditioning set Tx A bit no conditioning set Tx B bit no conditioning set Tx C bit no conditioning set Tx D bit no conditioning set Rx Seize ABCD bits = 1101 Default pattern Rx Idle ABCD bits = 0001 Default pattern Tx Seize ABCD bits = 1101 Default pattern Tx Idle ABCD bits = 0001 Default pattern Ignored Rx ABCD bits = BCD Region Tone is set for US
Analog Info Follows: Currently processing Voice Maintenance Mode Set to None (not in mtc mode) Number of signaling protocol errors are 0 Station name None, Station number None Translation profile (Incoming): Translation profile (Outgoing): lpcor (Incoming): lpcor (Outgoing):
Voice card specific Info Follows: Operation Type is 2-wire E&M Type is 1 Signal Type is lmr Dial Out Type is dtmf In Seizure is inactive Out Seizure is inactive Digit Duration Timing is set to 100 ms InterDigit Duration Timing is set to 100 ms Pulse Rate Timing is set to 10 pulses/second InterDigit Pulse Duration Timing is set to 750 ms Clear Wait Duration Timing is set to 400 ms Wink Wait Duration Timing is set to 200 ms Wait Wink Duration Timing is set to 550 ms Wink Duration Timing is set to 200 ms Minimum received Wink Duration Timing is set to 140 ms Maximun received Wink Duration Timing is set to 290 ms Minimum seizure Timing is set to 50 ms Delay Start Timing is set to 300 ms Delay Duration Timing is set to 2000 ms Dial Pulse Min. Delay is set to 140 ms Percent Break of Pulse is 60 percent Auto Cut-through is enabled Dialout Delay is 300 ms Hookflash-in Timing is set to 480 ms Voice hangover timing is set to 250 ms lmr tear down timeout is set to 1800 second lmr PTT Transmit timeout is set to 0 minutes lmr PTT Receive timeout is set to 0 minutes E-lead capability is seize M-lead capability is inactive
DS0 channel specific status info: IN OUT PORT CH SIG-TYPE OPER STATUS STATUS TIP RING =============== == ============ ==== ====== ====== === ==== 0/0/0:0 01 e&m-lmr up idle idle
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