# ChanSpy and ExtenSpy gives choppy voice

**URL:** <https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413>\
**Category:** Asterisk Support\
**Created:** [September 12, 2012, 12:41pm UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413 "2012-09-12T12:41:29Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![system](https://global.discourse-cdn.com/asterisk/original/2X/4/475d0c889911cfb84ac4881ad6df8b523e3f9105.png) [@system](https://community.asterisk.org/u/system)\
**Post date:** [September 12, 2012, 12:41pm UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413/1 "2012-09-12T12:41:29Z")

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Hi,

My Asterisk version is 1.8.9.2

I’m trying to use ChanSpy / ExtenSpy.

Both work. But the voice is very choppy.

I had the same problem with Monitor() cmd (recorded voice is choppy), but with MixMonitor it’s working fine.

And yes, I tried with Monitoring off too. Still the same.

My codec is gsm.

Has anyone come across this problem?

Regards,

Charon

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**Author:** ![dejanst](https://avatars.discourse-cdn.com/v4/letter/d/9fc348/32.png) [@dejanst](https://community.asterisk.org/u/dejanst)\
**Post date:** [September 13, 2012, 7:10am UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413/2 "2012-09-13T07:10:06Z")

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Are you running Asterisk on a physical server or a virtual machine?

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**Author:** ![system](https://global.discourse-cdn.com/asterisk/original/2X/4/475d0c889911cfb84ac4881ad6df8b523e3f9105.png) [@system](https://community.asterisk.org/u/system)\
**Post date:** [September 13, 2012, 8:08am UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413/3 "2012-09-13T08:08:54Z")

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Physical server with very good config. Intel Xeon 6C x 2 and 64GB RAM. Almost all the time, the CPU stays at 0% utilization.

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**Author:** ![system](https://global.discourse-cdn.com/asterisk/original/2X/4/475d0c889911cfb84ac4881ad6df8b523e3f9105.png) [@system](https://community.asterisk.org/u/system)\
**Post date:** [September 24, 2012, 7:54am UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413/4 "2012-09-24T07:54:01Z")

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I have tried many options but still the problem remains. I took an RTP trace and it looks like RTP packets are coming only sporadically. Hasn’t anybody come across this?

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**Author:** ![david55](https://avatars.discourse-cdn.com/v4/letter/d/e19adc/32.png) [@david55](https://community.asterisk.org/u/david55)\
**Post date:** [September 24, 2012, 3:17pm UTC](https://community.asterisk.org/t/chanspy-and-extenspy-gives-choppy-voice/40413/5 "2012-09-24T15:17:40Z")

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What timing source are you using?