Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

New Member

vg224 don't auto disconnect with analog phone

Dear all ,

why vg224 don't auto disconnect with analog phone? is the busy frequency dismatch between vg224 and analog phone?

can you have any suggest to me ?



Re: vg224 don't auto disconnect with analog phone

You need to configure supervisory disconnect under the voice port in VG224

New Member

Re: vg224 don't auto disconnect with analog phone

HI rrjoas45,

thks your answer, I try to add a command with supervisory . but I discovery it isn't effective . the port status follow:

sh voice port 2/0

Foreign Exchange Station 2/0 Slot is 2, Port is 0

Type of VoicePort is FXS

Operation State is DORMANT

Administrative State is UP

The Last Interface Down Failure Cause is Administrative Shutdown

Description is not set

Noise Regeneration is enabled

Non Linear Processing is enabled

Non Linear Mute is disabled

Non Linear Threshold is -21 dB

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 Cancellation NLP mute is disabled

Echo Cancellation NLP threshold is -21 dB

Echo Cancel Coverage is set to 64 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 250 ms

Playout-delay Minimum mode is set to default, value 40 ms

Playout-delay Fax is set to 300 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

Supervisory Disconnect Time Out is set to 750 ms

Ringing Time Out is set to 180 s

Wait Release Time Out is set to 30 s

Companding Type is u-law

Region Tone is set for CN

Analog Info Follows:

Currently processing none

Maintenance Mode Set to None (not in mtc mode)

Number of signaling protocol errors are 0

Impedance is set to 600r Ohm

Analog interface A-D gain offset = -3.0 dB

Analog interface D-A gain offset = -3.0 dB

FXS idle voltage set to high

Ring DC offset set to 0 volt

Station name None, Station number None

Translation profile (Incoming):

Translation profile (Outgoing):

Voice card specific Info Follows:

Signal Type is loopStart

Ring Frequency is 25 Hz

Hook Status is On Hook

Ring Active Status is inactive

Ring Ground Status is inactive

Tip Ground Status is active

Digit Duration Timing is set to 100 ms

InterDigit Duration Timing is set to 100 ms

Hookflash-in Timing is set to max=1000 ms, min=150 ms

Hookflash-out Timing is set to 400 ms

No disconnect acknowledge

Ring Cadence is defined by CPTone Selection

Ring Cadence are [10 40] * 100 msec

Ringer Equivalence Number is set to 1


Hall of Fame Super Gold

Re: vg224 don't auto disconnect with analog phone

Supervisory disconnect on the fxs ports doesn't make sense. What do you mean by "doesn't disconnects" ?