Having C1750-2V, 2FXS card, and G.729r8 as default codec, when I type 'show voice dsp', it lists two voice channels possible to process at once by the DSP chip. That's okay. But why there is a 'g711ulaw' codec shown ???
and knowledge, that 'codec complexity' comm. doesn't exist on IOS for C1700 - I want to know, why after configuring G.729 Annex-A codec with 'codec g729ar8' or 'codec g729abr8' the router doesn't provide with possibility of 4 simult. calls ???
Generally, with G.729r8 as high-complexity codec a 'show voice dsp' shows properly 2 channels allocated (or possible to process). But with Annex-A as medium-complex codec there should really be the appropriate offer. Also 'show diag' gives info that this better C549 DSP chip is used...
Perhaps silly question - with G.729ar8 configured, will this info (and real DSP support) from 'show voice dsp' change to 4 channels allocated if I insert another 2FXS card??
Just to confirm - after typing 'show voice call', the phone numbers for existing voice ports are probably the last numbers to be actively used on them. Is that true?
Theoretically having C1751, 2x 2BRI-NT/TE card and PVDM-256-12K installed, is it possible to run properly at least one port of the second card while there is no full DSP support for them (espec. for high-complexity codecs) ???
It's clear, thar 8K covers first card, and the other one is covered by left 4K somehow from the half..
That's all, friends. Thanks you in advance for your answers.
Re: VoIP/P1 - G.729 & co : A few of easy questions to answer...
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If anyone else in the forum has some advice, please reply to this thread.
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