Questions tagged [voice]

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Configuring Data and Voice VLAN Cisco SG300

I have a Cisco SG300 managed switch I am attempting to configure to handle two VLANs one for data (VLAN1) and another for voice (VLAN20). Ports 1 and 52 are configured to trunk to the router/...
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1answer
95 views

cisco calculate ip-phone voice traffic as tag or untag?

I'm almost confused about what the switch has really done with the voice traffic. I know access port traffic is always "untaged", but actually the "Switch port voice vlan (xxx)" command is used to ...
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1answer
33 views

voice vs data device authentication

When a device is plugged into a switch (let's say, a Cisco Catalyst switch) how does a switch know whether the device is a VoIP one - and subject to being placed into the voice VLAN - or some other ...
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1answer
4k views

Voice VLAN Configuration on Cisco SG300

We currently have a single Cisco SG300 switch on our data network. We are introducing a hosted VoIP system. As such we will be installing a second Cisco SG300 (to account for growth and new phones) ...
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0answers
376 views

Communicate between Voice and Data VLAN

I have a network of computers, on which I also have an Avaya IP Office phone system with several IP phones. Currently the IP phones are on their own IP subnet range, but I want to create a separate ...
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1answer
1k views

Configure SIP Trunk from Lync 2013 to Cisco Call Manager v6

I'm implementing Enterprise Voice for Lync, and I have to get Lync to work with a antiquated Cisco Call Manager version 6. The SIP trunk has been created but I get this error on my Lync servers: A ...
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0answers
38 views

ASA 5505 base license and Voice vlan [duplicate]

My current setup contains a cisco asa 5505 with two cisco sf300-24p switches, the data and voice vlans have been setup on the switches and I've started to setup the needed vlans on the ASA, but it ...
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1answer
325 views

Variable to store Asterisk extension dialed by user

I am using Asterisk for voice calling. I am using below context If user call back- [from-pstn] exten => _X.,1,Playback(demo-thanks) suppose my number is 74900 on which user can call back. what ...
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3answers
2k views

PBX with Fax and Google Voice

Looking to replace/port my home number which I use for mainly faxing for my home business to a PBX server ( Thinking Asterisk or Elastix ). My question is: Does Asterisk/Elastix support Faxing ( ...
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1answer
104 views

Is a PBX responsible for routing calls, or is that handled by the provider?

I am setting up a PBX that external users will connect to and I was wondering how important PBX placement was. Are calls routed through the PBX itself, or do they go directly through the provider ...
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3answers
1k views

How can I configure Zenoss to send an SMS or Voice alert

Has anyone successfully configured Zenoss to send an SMS or Voice alert? Googling only comes up with a service called TeamTILT for Zenoss. Is this the only alternative available? Has anyone solved ...
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6answers
5k views

Using modem for sending voice recording

I've got an interesting one for you. I've been going over my server monitoring and notification systems (Nagios based), and realized that if our internet connection goes down, there's no way for it ...
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1answer
325 views

Is it a bad idea to run voice and data over the same bonded T1?

Currently we have a T1 which we use for both our voice and data. We are looking at getting a bonded T1 but have been told by the provider that it would be a bad idea to run both voice and data on a ...
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1answer
205 views

What is voice xml and how can I host it

while looking for a way to use speech recognition with flash I crossed paths with voice xml. I've gone through the wc3 description of it but still I have a few big questions. Can I simply create a ...
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1answer
925 views

Asterisk call failure timeout

I am using Asterisk and there seems to be a problem with the delay that the server answers a call. What actually happens is that the caller hears a busy tone and then hangs up, but a channel is opened ...