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0
votes
1answer
139 views

Cisco IP Phone to SPA3102 to PSTN

I've just picked up a Cisco 7940G and configured it with SIP firmware (8.2). I'd like to use this as my office phone, communicating with POTS/PSTN via a Linksys SPA 3102 VoIP gateway. In theory, this ...
0
votes
1answer
55 views

Two VoIP connections on a single DSL service

I want to connect two SIP phones to my router, alongside one another. One connects to my commercial VoIP service provided by my ISP. The other connects to my business VoIP PBX as a remote extension. ...
0
votes
1answer
245 views

Do many of the betamax voip services allow caller id spoofing? [closed]

There are many betamax voip services such as voipgain, voipcheap, voipstunt which ask you to supply a phone number and a destination phone number when making a call (as can be seen in the free trial ...
1
vote
1answer
181 views

sip trunking- asterisk(as a sip server) configuration

I would like to create a voip between two clients. I have two asterisks installed and configured on two public ip: Asterisk1 and Asterisk2. I have two clients defined in asterisk1 (client1,client2) ...
0
votes
2answers
157 views

What is the difference between a VoIP phone and a SIP phone? [closed]

I was under the impression that SIP is a protocol for the initiation of communication between applications, and that the protocol VoIP is for the transmission over an established pair of IP addresses ...
1
vote
1answer
259 views

How to set up a home SIP Server/Proxy for multi ring?

I have a sip account which only allows one device to be registered. When i'm at home I want incoming calls to be able to ring on multiple devices. All of these devices are connected to the local ...
2
votes
1answer
200 views

What are the internal workings of Google Voice?

I am new to Google Voice and am interested in how it works internally so I have few doubts about it. Is the Google Voice number itself a SIP number? How does Google Voice receive calls from any PSTN ...
0
votes
2answers
74 views

Re-registering a hardphone [closed]

I've got a Linksys SPA942 hardphone connected to an OpenSIPS quasi-PBX. I want to re-register the phone manually, without rebooting, resetting, or touching the default re-registering time (3600s) Is ...
1
vote
1answer
30 views

Book for understanding Internet Telephony?

I'm a developer, system/network administrator, and I'm very familiar in setting up internet services such as Apache, BIND, SSH, etc. but what I'm entirely new to is telephony. Is there a book or guide ...
1
vote
1answer
63 views

SIP - linksys and no voice

I have a PC and a Linksys SPA3102. I have connected them directly with an etthernet cable (pc address 192.168.0.10, linksys address 192.168.0.1). An analog phone device is connected to linksys ...
3
votes
1answer
318 views

One way broadcast of SIP call using Wowza

I have a POTS conference call taking place and I want to live stream the audio over the internet using Wowza. My plan is to dial into the conference call essentially bridging the audio onto the Wowza ...
1
vote
3answers
130 views

Migrating from Skype - Calling landlines?

I've been wanting to stop using Skype for quite a while, but now that they're being bought by Microsoft, I think it's about time to spring into action. I use Skype mainly to call landlines abroad - I ...
1
vote
1answer
92 views

MacOS IVR SIP client

I'm looking for a SIP client that provides IVR functionality on MacOS X. Is there something like that? Max
0
votes
1answer
240 views

VoIP (on a landline) vs SIP (on mobile)? What do I miss not using VoIP

A bit of a background. Thinking of moving away from a softphone, which I predominantly use for a long distance calls, a few months ago I got myself a Linksys SPA3000, got it configured (was not easy, ...
2
votes
1answer
404 views

program to dial land phone, enter password and record?

is there a program for Windows (or linux command line) platform that would do below from a command line? call a land phone number (using my SIP account) enter password record the call finishes after ...
0
votes
2answers
407 views

How to set up personal VoIP server?

I'm looking to run my own VoIP server so I can make and record calls and the like. I need to basically bind a phone number to the server and me able to call it and use it as a regular phone. I'm new ...
0
votes
1answer
25 views

How to split registration and media?

I have a SIP project. Where i will have SIP server running. Server will do following: will only do routing and receive incoming calls But the audio/video will be peer 2 peer Can this be done with ...
4
votes
2answers
3k views

What's the most advanced SIP client for Linux these days?

I'm currently struggling which SIP client software to use with respect to Ubuntu / Gnome. Some clients I've looked so far: Blink, seems promising but the Linux variant lacks a lot of features ...
0
votes
1answer
356 views

Is there any use of SIP on top of TOR

Does it make any sense it terms of perfomance and latency?As far as i know TOR is a transports layer protocol trying to encapsulate the cells with onion routing in order to enhanse privacy.Since sip ...
1
vote
2answers
2k views

Softphone for 64-bit Windows 7 to make SIP calls without registering with a SIP proxy?

We have test tools that require us to call SIP addresses like localhost:5061. I used to use SJPhone on Windows XP, and an older version of X-lite, which both worked fine, and didn't require the SIP ...
1
vote
2answers
106 views

Provider independent SIP address

I'm currently investigating getting a (private) SIP account and have looked around various providers. As far as I can see they all give you addresses like myname@sip-provider.com but if I would ...
0
votes
1answer
3k views

DrayTek 2820 configuration using public IP addresses

I have a /29 range of public IP addresses assigned to me by my ISP. I'm trying to configure a SIP VOIP handset to register with my VOIP provider who recommend using public IP addresses rather than ...
0
votes
0answers
341 views

How to Change SIP default port 5060

Port 5060 is blocked in our network, and I was wondering if it was possible to change it to 5222, which is a port used by Google Talk. If it is possible and I do change it, will I still be able to use ...
6
votes
3answers
12k views

microsoft lync linux client

we are currently evaluating Microsoft Lync server (previously Microsoft Office Communications Server). It talks sip over TLS (TCP 5061) with SIMPLEmessaging, what linux client would you suggest to ...
2
votes
1answer
555 views

What SIP client for Windows does include g729 codec?

I'm looking for a, preferably free, multi-SIP client for Windows that does support g729 codec.
1
vote
2answers
624 views

Open-source encrypted voip service

I'm looking for a secure VOIP service that is open source and encrypted. I realise that skype is encrypted but it is closed source and as a result it is difficult to tell whether it is secure or not. ...
1
vote
2answers
458 views

SIP client to open a web page with caller ID

Does anyone know of a SIP client that can open a web page to a configurable URL when someone calls? We have a web-based database, and I'd like to search by phone number whenever we get an incoming ...
2
votes
2answers
1k views

How to install PyQt on Mac OS X 10.6

I want to install PyQt. This seems kind of complicated to install on OS X. I haven't found any precompiled packages of it (are there any? I would really prefer those). So I downloaded PyQt. And SIP, ...
4
votes
5answers
536 views

Do VoIP packets travel through the internet link in LAN calls?

or do they leave the LAN if they don't really need to? If both parties in a call are in the same LAN, does the SIP/Skype call voice packets travel in and out through the internet? If so, how do I to ...
0
votes
1answer
2k views

How to configure Pidgin IM with sipgate SIP?

I have a sipgate SIP-account with money on it. Telephony works fine with Empathy. But how to configure Pidgin to support my SIP-account?
2
votes
1answer
114 views

email to sip voicemail

I don't know if this is the correct place to ask this question, but here it goes. I am looking for a cheap email-to-SIP-voicemail service. I got a Linksys/Cisco SPA-941 phone which has a led which ...
1
vote
4answers
404 views

Please recommend SIP voicemail software

My ISP offers some VoIP service which is provided via the same network cable as internet does. The ISP techsupport claims that the only known ways of connection allowing me to use VoIP is such that ...
1
vote
0answers
969 views

getting pbxes, sip2sip, ipkall all working

I was able to make a call from my landline to my ipkall number and have it ring on my android device running sipdroid. Just once. Since then, when I call my ipkall number, I get "The person at ...
1
vote
1answer
47 views

VOIP - how to see which number is called

I want to use VOIP telephone, but want to have a few telephone numbers which will be answered by one person. Problem is I want to see to which number caller is calling. For example: I have a numbers ...
0
votes
1answer
1k views

Using Asterisk (SIP) with multiple phone lines?

I'm trying to create a VOIP system that will allow me to run multiple conference calls at the one time. For instance, A is talking to B and C And at the same time D is talking to E and F So I'm ...
0
votes
5answers
105 views

IP telephony open source systems

I'm trying to pick an IP telephony technology to learn. I heard of Asterisk, trixbox, freePBX, and my head was already spinning being not sure what to learn. Then I came across this article listing ...
2
votes
3answers
2k views

Configuring Gizmo5 account on n900

I have a gizmo account which I would like to use on my n900. So far, I really like the device, the wifi/3g connection seems to be reliable albeit weaker than the n810. Despite it having a weaker ...
0
votes
1answer
269 views

SIP: PAP2T doesn't support dynamic IP?

I have the Linksys PAP2T with firmware v5.1.6(LS). I want to make it connect to a SIP gateway (LANCOM 1823 VoIP) through internet (both sides use an ADSL connection). The problem is that the ...
1
vote
1answer
248 views

Best SIP VOIP hardware ever. Suggestions?

I need a VOIP adapter that has at least these characteristics: 1 ethernet port, so I can make SIP VOIP calls. The box must allow one or two SIP accounts; 1 FXS port, so I can connect it to my ...
2
votes
1answer
1k views

Caller ID not working

I have an ASUS AX-112W Voip box behind a router, connected to a regular phone. After hours fighting with the router and the voip box, I finally found a configuration where everything works almost ...
2
votes
2answers
1k views

SIP providers with local number portability?

Anyone know of a good voip provider that will allow me to port my existing phone number to their service and be cheap? I'm looking to spend no more than $15 a month; am I in dreamland? Also, I've ...
3
votes
3answers
2k views

How does SIP work and what is its use in VOIP?

How does SIP work and what is its use in VOIP? Do I have to have it or can I use a direct plug-in to the computer to use VOIP?
1
vote
3answers
412 views

What's a good softphone for windows?

I'm looking for a good soft-phone featuring the following : integration with exchange : possibility to search exchange contacts ability to quickly add the caller to a new or existing contact ...
3
votes
3answers
898 views

Recommended client to handle more than one SIP account?

I currently have two SIP accounts, so Counterpath's XLite won't do, as it only handles one. They have a commercial version (Bria, eyeBeam : Not sure of the difference). Before I buy either Bria or ...