VoIP questions should cover configuration of softphones, voice software (such as Asterisk) that runs on computers (no hardphones or PBXs) or troubleshooting VoIP quality and connectivity issues by means of computer hardware or software (tcpdump, wireshark).
1
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0answers
16 views
Google Voice delay when calling my phone
I've been using Google Voice with CallCentric as our phone service for the past 2.5 years and things have worked pretty well. Some people have had trouble calling me and the call quality hasn't always ...
0
votes
1answer
30 views
1 VoIP Conversation but 2 RTP Streams?
I'm testing a VoIP system based on OpenSIPS. It has no RTPproxy, so calls do not pass through OpenSIPS.
I tried to make a call between two smartphones, and it succeeded. I also turned on Wireshark, ...
1
vote
2answers
47 views
Why G.722 has 64 kbps bit rate?
I'm learning a few things about codec, and now I'm confused by G.722. There's a way to calculate codec bit rate that I read here on wikipedia.
It said:
bit rate = sampling rate x bit depth
G.722 has ...
0
votes
0answers
22 views
Private VOIP network
I own a small private security services business. Some of my clients require 2-10 security officers per location. I'm trying to think outside the box in order to solve my communications problem. I'd ...
2
votes
0answers
67 views
Wi-Fi voice calling methods on a jailbroken iPhone? [closed]
I have a jailbroken iPhone 4S on AT&T in Cambridge, MA. My location has unreliable AT&T coverage, and I can't use Verizon or Sprint (too much coverage = pilot pollution). It's got to the point ...
0
votes
2answers
60 views
how to set up a “cellphone server”? [closed]
The thing is, I have seen many apps on android and apple marketplaces that allows you to send texts via a device that is not necessarily a phone, some of those apps can give a number, and persons can ...
0
votes
2answers
108 views
I want to connect to my router through wifi and use its pstn phone line
Can anyone refer me where to look I want when I am not at home to connect to my router and use it to call through my phone line (so when I am out of the country I will pay local price to place calls ...
0
votes
1answer
37 views
My VOIP phone constantly loses service when plugged in via an Edimax router
I have VOIP phone service with Jivetel using a Linksys spa2102 VOIP device. I recently purchased a new Edimax BR-6428ns wireless n router and plugged my linksys device in through it. I made the ...
0
votes
0answers
36 views
How can I make and receive phone calls from one number from multiple locations? [closed]
I wish to be able to use one landline number for all my business work, but to be able to both make and receive calls from this number via my mobile as well as the landline itself. I also want access ...
1
vote
0answers
159 views
How to configure Transparent IP Address Sharing (TAS) on a Mediatrix 4102 with DGW 2.0 firmware?
I am making the switch to VoIP. I chose voip.ms as my service provider and Mediatrix 4102 as my ATA.
One reason why I chose the Mediatrix over other popular consumer ATAs is that it's supposed to be ...
0
votes
0answers
55 views
encrypted voip traffic for voip provider that doesn't offer encryption
I currently use a VoIP service with one VoIP provider. However, this company doesn't offer encryption to VoIP traffic. This mean that all voice transmit via my IPphone can be sniffed and listen. (I ...
1
vote
0answers
33 views
Start call on Cisco Voip phone with an http link
I don't have any previous experience with IP phones.
I'd like to know if there is a way to make a call with a Cisco IP Phone (model 7912) clicking just a web link. Actually the phone is connected to ...
0
votes
0answers
168 views
DD-WRT OpenVPN Voip
I have a TL_WR1043ND router with DD-WRT firmware. I've successfully configured OpenVpn on my router. I've got openVpn from a commercial VPN provider. I VOIP GSM gateway is connected with the eht0 port ...
0
votes
0answers
21 views
Programmable VoIP solution? [closed]
I need a VoIP software solution (desktop or web - makes no difference) that I can program to make certain calls according to a specific schedule, e.g. make phone call at 2pm and 6pm), and play a ...
0
votes
2answers
56 views
Hotkey to toggle internet / network communication
I'm looking for a way to quickly toggle my wireless internet connection on and off (to prevent interference with a VOIP device on the network). Newer laptops have a dedicated button for this purpose, ...
0
votes
0answers
96 views
Associating a SIP link with a softphone in Linux
I'm trying to associate Twinkle, a softphone, with SIP URLs. I'm using Xubuntu and I've tried the following:
gconftool-2 -t string -s /desktop/gnome/url-handlers/sip/command ...
0
votes
2answers
68 views
Setting up a US-landline/Europe-landline voip connection
I need to provide a clients in the US an ability to call a US landline phone, and have the call routed to the mobile phone in europe, where our office is located.
I need to have it implemented at a ...
0
votes
1answer
138 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
0answers
58 views
using zfone in practice - how do i force gtalk to use SIP?
Recently i got a need for a fully encrypted and safe communications. Believe it or not - there is no simple solution.
Criteria for needed software include:
1. Encrypted 1 to 1 chats (text).
2. ...
2
votes
1answer
186 views
How to associate a softphone with a phone url
I'm trying to get click to call to work using Qutecom for a softphone and a Greesemonkey script to turn phone numbers into clickable urls. Whenever I click on the phone number link I get an error ...
0
votes
0answers
89 views
Click to call with a soft phone
I'm trying to set up click to call with a soft phone. I'm using QuteCom for the soft phone, vTiger for the CRM and Asterisk, through Elastix for the PBX.
I was wondering if someone could point me in ...
1
vote
1answer
121 views
Does mobile phones use TCP/IP? [closed]
Does mobile phones (any kind of mobile phone?) use TCP/IP over radio signals for internet? I would also like to know if they use VoIP for telephony? Please tell me what they use, I'm confused.
0
votes
0answers
26 views
Company Voice and Video Chat with a Company Directory
I was wondering if there is an application to set up a directory within that would always be up to date of everyone in the company, organized by team, so that they could call each other over voip ...
1
vote
1answer
75 views
Cisco 7962 cable unpluged with POE
I've got a collection of CISCO 7962 IP Phones powered by POE. On some of them I plug them in to our POE switch and I get an error that the Ethernet cable is unplugged. That strikes me as strange ...
0
votes
0answers
142 views
How to set up VOIP on Windows 7 while I am connected on VPN?
My name is Arthur, I bought VPN Service and now I am having problem to setup to configuration. I can connect to vpn server normally by using windows 7, but the problem is remote access not working, I ...
0
votes
0answers
93 views
VoIP LAN network
I am trying to make a small LAN on my home using laptop, router and telephone which is connected to VoIP adapter to convert its analog data to digital.
The telephone has an IP address equivalent to ...
0
votes
1answer
69 views
IP based public addressing system
We are trying to create an IP based PA system for my institution. Our first hunch is to use an asterisk server with clients in auto-answer mode. Is there any better method, or a more apt open source ...
0
votes
1answer
136 views
How can I stream music through VoiP?
What I want is: Stream a music through Teamspeak/Skype/Mumble... while I can talk also.
Using Stereo mix is not an option. If I use that, I can't speak, and everyone will just hear themselves.
OS: ...
1
vote
1answer
99 views
VoIP - need setup ip network without SIP operator
Need to make next one: for ex i'm now in UAE, but i need to make a call to my girlfriend who is in Ukraine. I need to find the way how can i make the connection to my home router and make the call ...
1
vote
0answers
110 views
Using Asterisk with multiple phone lines (PSTN)
I've had experience working with Asterisk over VoIP. Did pretty complex stuff with it as long as it had ethernet cables and internet connected. I've gotten used to connecting the box to an ITSP and ...
13
votes
2answers
821 views
Receive and route phone calls through computer
I volunteered to work for a political campaign. We want to make a unified number (with multiple lines) to put as contact us number.
We want it to work like customer support numbers, you call a fixed ...
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
180 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) ...
-1
votes
1answer
207 views
What technology do 160by2.com use to send SMS messages [closed]
The India based websites 160by2.com and way2sms.com allow users to signup with, and verify, a mobile number. The user can then use the website to send SMS messages to other mobile numbers with their ...
2
votes
1answer
317 views
How do I setup a Polycom phone over internet connection sharing?
What are the Internet Connection Sharing settings that I need so that I can have my Polycom phone utilize my wireless connection?
The physical configuration is as follows:
Computer accesses the ...
3
votes
2answers
90 views
Are there any free voice changing programs for Windows?
I would like to be able to change my voice in real-time while using any chatting software. This would include Skype and any IP-phone software.
I found Clownfish for Skype, but was looking for ...
2
votes
0answers
90 views
Good quality audio conferencing without a headset
I work at home and am doing a lot more video conferencing than I used to. I also use a softphone on the computer for most of my phone calls as well. Particularly when video conferencing I would like ...
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 ...
0
votes
1answer
47 views
VoiP to connections?
I have been recently playing with AsterixNow and got a nice network set-up with trunks and sips.
Outgoing calls go to a VoIP provider that charge me say 2pence per minute for local mobile.
I have been ...
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 ...
0
votes
1answer
107 views
No XMPP client to talk to, us (partial JID) : asterisk
I am attempting to setup asterisk with my google voice account and not having much success. When I attempt to dial out, I get this error:
No XMPP client to talk to, us (partial JID) : asterisk
...
2
votes
3answers
259 views
Will VPN will slow down VOIP traffic?
If I have a Linux setup with VPN in Paris and a Linux setup with VPN in London, both with high-speed internet, will packet-switching be slower for VOIP than if I didn't use VPN?
A few people have ...
0
votes
3answers
598 views
QoS in the wireless router for viber
I am connecting my iPhone 3GS to my wireless home network using Viber (VOIP). As I am getting poor sound quality as other in the house are downloading, etc. I'd like to create a QoS rule in my router ...
0
votes
1answer
282 views
iptables + vpnc + Cisco IP Phone 7941
I have a Linux gateway with kernel 2.6.39 connected to a Cisco ASA 5500 with vpnc. I'm using iptables with masquerading and forwarding to give the LAN access to the tun0 device connected to the VPN.
...
2
votes
1answer
199 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 ...
2
votes
0answers
25 views
Videoconferencing software that degrades framerate rather then resolution
Is there a video-conferencing software that can be set to degrade framerate rather then resolution when the intervening connection is slow?
I do a significant amount of remote collaborative work. ...
0
votes
1answer
58 views
Not able to answer call
Got a Cisco Sipura SPA 941 hardware phone and I am connected to Asterix (most likely) VoIP server of my provider.
I am behind a firewall (ADSL) and I have put my phone to the DMZ zone, so it should ...
1
vote
1answer
162 views
How to connect a remote IP Phone to our VOIP Network?
We have an IP phone system in our office, and about 8 VoIP phones running on the system. We have a remote worker, who is literally states away.
We'd like to connect his phone to our VoIP network, so ...
1
vote
1answer
141 views
How can I call from my PC?
Is there a way to just take a number of some web page and dial it? Perhaps route it via my iPhone? The scenario I am talking about is this: let's say I am looking for an apartment on craigslist. ...
