ISDN BRI ip telephony

Unanswered Question
Oct 26th, 2008
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hello friends,

i want to configure ISDN BRI ip telephony. .

but i dont know how to configure isdn parameters.plz help me in this.

i am using WIC 1B S/T-V3 card using .will it support for normal ip telephony..if u have any model con fig send me..

i am having doubt that we need use vic card...


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Aaron Harrison Mon, 10/27/2008 - 05:38
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The data WIC you have will not support Voice.

The correct card for voice applications is VIC2-2BRI-NT/TE.



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zeuscyril Mon, 10/27/2008 - 07:28
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thank u

so if we use WIC 1B S/T-V3 the ip telephony will not we use only vic cards

send some example config for isdn


zeuscyril Mon, 11/03/2008 - 03:55
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the vic cards will vary for each country or we can use any vic card for bri country is UAE..

reply me


zeuscyril Tue, 11/18/2008 - 01:25
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hi friends thank u all for ur reply....

i configured a isdn bri line using vic2-2bri-nt/te.

i configured every thing.but i am able to call lanaline numbers but i am not able to call mobile and international.i didnt block 0 and 00.and i checked with isp they also saying not blocked....

so any reason is there behind this

like vic card or any commands in isdn bri..

because first time i am configuring isdn bri for voice



vk.sharma Sat, 01/24/2009 - 03:02
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I am also configuring CCME using VIC2-2Bri-nt/te, so could you please send me complete configuration. I am unable to call any PSTN help me..

Thanks in advance.

Eldho E Kuriakose Sat, 01/24/2009 - 03:44
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if anyone having E1 configuration in Saudi Arabia please share.....

paolo bevilacqua Sat, 01/24/2009 - 05:34
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Sharma: search the forum, there are numerous examples.

Eldho: Ditto, or open a new thread.

vk.sharma Mon, 02/02/2009 - 05:43
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Hello Ditto,

I am setting up VOIP call between 2 2801 router using DSL as Primary link and ISDN as secondary link.My calls thrugh the DSL if fine and no issue.I face issue in the below situations.

1-When it fallback to the ISDN the active calls disconnects and it becomes UNIDIRECTIONAL.If I initiate new call that works fine i.e. Bidirectional.

Do you have any solution for this ?

2-Setting up a VPN tunnel between ISDN and DSL will ressolve issue ?

3-I am also unable to dial the PSTN no., it gives reorder tone if I try to access line using either "0" or "9".

Kindly help.

Thanks in advance.


paolo bevilacqua Mon, 02/02/2009 - 08:17
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Hi, as mentioned above you should open a new thread for a different questions.

Also note, in english, "ditto" means "same as above".


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