The sip tag has no wiki summary.
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12 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 ...
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1answer
28 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
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1answer
107 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 ...
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1answer
71 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) ...
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2answers
76 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 ...
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1answer
120 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
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1answer
127 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 ...
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2answers
58 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
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1answer
25 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
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1answer
48 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 ...
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0answers
258 views
Extract a “live” RTP stream from SIP session
I am looking for a way to extract the audio component of a SIP call (the RTP stream) and send it to a media server to be forwarded to browser based flash clients. So its sort of broadcasting whatever ...
3
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1answer
201 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 ...
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3answers
110 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 ...
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0answers
161 views
Google Voice with a WiFi SIP phone [closed]
How can I use Google Voice with a WiFi SIP phone?
Such as the UTStarcom F1000: http://www.voipsupply.com/utstarcom-f1000g
Can I buy any phone labeled "SIP WiFi" or do I need to certain special ...
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1answer
62 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
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0answers
104 views
compiling SIP - error C2039: is not a member of
I am posting a new question since I have a slightly different problem.
Still trying to compile SIP (before trying to compile PyQt) on Windows 64-bit.
It is giving me the following error :
...
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0answers
63 views
compile sip on windows x64
I want to compile PyQT for windows x64. I'm following the instructions of this
article
I am having a problem when I try to compile sip. I could call the configure command. Then when I do nmake I ...
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1answer
185 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, ...
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1answer
291 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 ...
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0answers
115 views
PBX In A Flash Purple install/payload download error
When I try to install pbx in a flash centos installs then reboots and gives me the screen to choose a payload file I choose Purple and it then runs for like 3 hours telling me its downloading it then ...
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0answers
287 views
DrayTek 2820 firewall filter rules seem to be ignored
Following on from this question:
DrayTek 2820 configuration using public IP addresses
I am unable to use SIP/VOIP over NAT reliably with my VOIP provider (or in fact any VOIP provider) despite ...
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2answers
256 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 ...
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1answer
22 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 ...
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0answers
51 views
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2answers
2k 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
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1answer
241 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 ...
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2answers
958 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 ...
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2answers
97 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 ...
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1answer
2k 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 ...
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0answers
297 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 ...
4
votes
3answers
9k 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
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1answer
420 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.
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2answers
484 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.
...
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2answers
352 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
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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, ...
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5answers
471 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 ...
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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
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1answer
104 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 ...
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4answers
368 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 ...
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0answers
896 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 ...
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1answer
45 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 ...
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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
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5answers
100 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 ...
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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
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1answer
249 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
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1answer
217 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
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1answer
912 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 ...
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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 ...
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3answers
1k 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?
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3answers
333 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
...