Questions tagged [voip]

Voice Over Internet Protocol is a name of a family of technologies that allows transmission of voice over an established network connection. What is usually discussed, though, is Internet Telephony - bidirectional voice (and lately video) transmission over public networks.

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34 views

VoIP and computer on separate VLANs through one cable

In my network I have VoIP (VLAN-ID 30) phones and desktop (VLAN-ID 20) computers on separate VLANs. I would like to run a single cable to my desk from the switch that first connects to my VoIP phone, ...
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15 views

Asterisk PBX hook-like scripting

I am very confused about scripting on the asterisk PBX by reading the manual. I'm trying to execute a python script at the moment my PBX is receiving a call, and pass parameters to the script taken ...
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15 views

How To Make A VOIP Call From PC With A VOIP compatible Router

Btw - This Doesn't work - Make your PC (Software to use?) as a phone with a router with a VOIP capabilities So my ISP gave Me The Archer XR500V which says I can make VOIP calls using an rj45 cable I ...
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14 views

Connect to an external voip server with a cisco router

I want to configure an ip-phone at home with an external SIP server, which is given from my ISP. I have a mitel 5312 ip phone, a cisco 1941 as a router and a cisco 2960 PoE switch. The trunk between ...
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98 views

How to restrict SIP traffic with tp-link TL-R600VPN router

I need to restrict incoming SIP/VoIP traffic from outside my network to a specific domain. I have a cloud SIP/VoIP system with 2 phones and I'm being inundated with fake/ghost calls (dead air when ...
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30 views

VoIP adapter unable to receive calls

I have my landline phone connected to a VoIP adapter, which works perfectly fine when I am making calls but doesn't work when I am receiving calls. The phone will ring like normal, but as soon as I ...
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33 views

Adding 7-digit and 10-digit dialing using the Cisco SPA122

I am using the Cisco SPA122 ATA adapter with my home phone. My phone provider (CallCentric) provides instructions on how to setup the adapter, but their instructions only demonstrate 11-digit dialing. ...
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158 views

How to use my TP-Link for internet and my ISP's router just for VoIP

I've just upgraded from ADSL to VDSL, at the same ISP, and with that they sent me a new modem/router and they also switched my telephone line from POTS to VoIP. I do not wish to use their modem/router ...
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12 views

Does the router ASUS RT-N12E C1 support VoIP?

This is the web where I bought it. In the description it appears: lo hacen ideal para streaming de vídeo en HD, llamadas VoIP y gaming online Which means: ideal for video streaming, VoIP calls, ...
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103 views

Connect a music player in SIP voice call

I need to establish a normal Voip conversation between 2 persons and one of them, using a softphone in Windows, insert audio from a music player which can be controlled by the own user. The voip ...
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Wireguard video conferencing doesn't work

I have a Ubuntu 20.04 server with Wireguard installed on it and I use it with my laptop running Pop!_OS 20.04 (under the hood pretty much identical to Ubuntu 20.04). Everything works fine, except for ...
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Why can only one person talk at a time over internet voice chat?

It seems like this is a somewhat localized problem. When using any of a variety of chat applications: whereby, Skype, teamviewer, zoom - it seems as though only one individual can transmit data at a ...
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187 views

How to use Jitsi as a softphone SIP client?

Wikipedia lists Jitsi features as including: IPv6 support for SIP and XMPP But where and how are SIP credentials configured? So that I can troubleshoot an Alice and Bob SIP call: sip diagram Above is ...
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98 views

Using a dedicated landline for internet? [closed]

as I'm sure many of you already know. Landline connections can be used for internet over DSL and VDSL e.c.t. So I want to know, is it possible to use a dedicated landline connection for internet with ...
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SPA122 issuing TCP RST every 14 minutes

I've got a SPA112 behind a firewall connecting to voip.ms. Every few minutes (looks like it happens every 14 minutes) the SIP connection gets interrupted. After getting a packet capture during the SIP ...
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357 views

Can I connect a VOIP phone to the internet from a laptop that is connected to the internet wirelessly?

Can I connect a VOIP phone, that does not have wireless capability, to the internet by using an ethernet cable to the phone from a laptop that is connected to the internet wirelessly? My home office ...
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Fritzbox behind a central Fritzbox: How to do internal call of phone on second fritzbox to phone on central fritzbox?

I have a central fritzbox and a second one with an attached phone. The configuration is done as described AVM and works in gerenal. But: How can I do an internal call from that phone to a phone that ...
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141 views

Zoiper functionality with SSL VPN connection + Wifi, compared with Internet Quota

I have a question related to 'How Zoiper Works Technically?'. First thing, I use Zoiper to contact my friends/colleagues from another country on the same company networks. Zoiper is a free softphone ...
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135 views

Using Zyxel Modem As A Simple Voip ATA Device

I have a Zyxel P-2602HWL modem/router which I want to use as a Voip ATA device only. In other words, I already have a router that I am using and I only want to use the Voip functionality of the Zyxel ...
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495 views

Is it possible to make a landline voice call from a mobile connected by wifi to all-in-one box? [closed]

I pay my Internet Service Provider for internet access and landline telephone. He’s provided me with a phone number plus one of those all-in-one connect boxes that contains a modem, a router exposing ...
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94 views

are bluetooth headset calls on a 3G Chromebook possible?

Would it be possible to use a bluetooth headset to make a cell-phone call? Or is the 3g capability only for data? I'm inferring this is an OS limitation.
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Failing to initiate a multifuction printer fax connection with VOIP

My wife's computer setup has an old multifunction printer (discontinued Brother MFC-7820N). It includes fax capability, and when we originally bought it, we had an actual telephone landline and the ...
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38 views

PC How to record phone call - other side speech is NOT recorded?

On VOIP phone call, using Zoiper software on computer (Windows 10), I am trying to record the entire phone call conversation but the problem is that Audacity, regardless if incoming ( * ) or outgoing (...
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55 views

Is there a way to monitor a GrandStream registration status?

I have a provider locked GrandStream device and I had some issues where the device would unregister itself during the night and I would lose my phone line. I cannot afford to not notice when the VoIP ...
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1answer
340 views

Viking Door Intercom Connecting to ATA-190

I have a analog Viking W-1000 intercom connected to Cisco ATA-190 box, then into Cisco Unify Call Manager. Partition, CSS, etc have been set up, and for testing purpose, when an analog phone is ...
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54 views

How does a router know which device handles calls?

How does a home router know which connected device is meant to handle a VOIP call? Is there a specific broadcast that is sent out? My home setup uses an analog telephone adapter (ATA) box in bridge ...
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Add “+” to Cisco SPA122 (latest firmware)

I use Twilio, and I'm required to use the full ISO spec "+" before all phone calls. MY PBX is Asterisk 13.26.0, connected through private network. I have a Cisco SPA122, with the latest firmware. ...
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25 views

How to connect a handset to a computer for VoIP [closed]

I'm trying to move away from having physical phones to just using softphones on my desktop computers. I know there are a ton of great headset options, but I don't really want to go that route. I would ...
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553 views

Hot to force Asterisk to write date in UTF-8 charset?

CentOS Linux release 7.6.1810 (Core) Kernel: localhost.localdomain 5.0.7-1.el7.elrepo.x86_64 MariaDB: Ver 15.1 Distrib 10.4.4-MariaDB, for Linux (x86_64) using readline 5.1 Asterisk: 16.3.0 built by ...
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1answer
757 views

Emulate a cell phone on a computer to authenticate a new email account

Background Many of the big email service providers now require a mobile phone number in order to create an account (a land line isn't acceptable). My understanding is that mobile phone access is ...
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49 views

No response when access web administration page of wireless router using popular browser, is it a phenomenon of hardware failure?

We have an entry level enterprise wireless router TP-Link TL-WVR1300G (Chinese page) in city B, and we have two physical servers located in city A and city B, and we setup a VoIP (SIP) trunk through ...
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306 views

Asterisk sip.conf in MySQL database

I'm able to include a phone inside a database for realtime usage. So, this code (from /etc/asterisk/sip.conf): [phone] type=friend username=phone secret=12345 host=dynamic disallow=all allow=g729 ...
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199 views

Periodic Internet Disconnection

Here is my problem: A) Goal Fix periodically disconnecting internet connection. I.e. maintain constant connection to internet (browsing etc.) while wired to router (ethernet). B) Problem I've ...
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2answers
534 views

Looking for a free VOIP solution using RJ11 PCIe card [closed]

After long hours and several days of diving layers deep through links from google searches, I've decided I just don't understand a lot of what is said about a lot of these "solutions". I don't know ...
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88 views

connect to voip gateway and wifi for internet on same windows machine

I have a situation which i will try to explain: i have subscribed for a SIP line. In my country, it is delivered via a MUX device and a cat6 cable. I have connected that to my soft PBX which is ...
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44 views

How Does Making a VoIP call through PSTN Work? [closed]

for my college work i was told to draw a diagram showing "information flow" of someone making a VoIP call through PSTN and then explain how it works. After doing research for the last 3h hours stuck ...
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66 views

Understanding Yealink VOIP phone configuration

I know how to connect my VOIP phone to asterisk. My asterisk server sometimes goes down so I will like to understand better how can I use a failover server. This guide: http://download.support....
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3k views

How do you fix “No Trust List Installed” error on a Cisco 7942G VoIP Phone?

I have a 7942G. I'm trying to connect it to Asterisk. Looking at Settings -> Status -> Status Messages, I see this: Error Updating Locale SEP############.cnf.xml No Trust List Installed I'm only ...
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56 views

SOHO routers Simultanous VOIP connections / connection tracking tables and packets per second

I am planning on deploying VOIP for up to 6 simultaneous calls from VOIP handsets (through the Internet using a connection with a single world-facing static IP, over SIP, to a single IP address on the ...
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2answers
3k views

Dialer.exe in windows 10 | Alarm Call Out | Work with MS Access

Does anyone ever use and know how to configure dialer.exe in windows 10? I'm looking for an auto dialer that can integrate with MS Access to dial out certain users (at least able to add 3-4 users ...
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1answer
1k views

Asterisk call through browser

Currently, we are using two version of IPPBX (VOIP) System in our office, which are CUCM v11 and Briker 1.2. We want to call directly through web browser instead of using a soft phone (or any desktop ...
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1answer
728 views

Internal calls issues asterisk vicidial

I have just installed new Vicidial v7.0.3 on an i7 12 GB Ram pc I have completed all steps in the installation including OS-install, network configuration, Firewall set to internal on one of the ...
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135 views

Route all traffic throuch a Linux machine

I want do route all traffic from and to two IP phones (SNOM D305) through a Linux machine for debugging purposes. The IP phones have a builtin 2-port switch each and the setup looks like this: ...
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867 views

How do I send Asterisk recording emails with a post-call script executed from FreePBX?

The script I have designated FreePBX to call, when called directly from the CLI sends the email flawlessly. The emails are not triggered after a call takes place, however. Background context: https://...
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1answer
158 views

My voice comes out like a guitar on Discord

Discord (VoIP) never works for me. When I speak, people always tell me I sound like a guitar or a robot, or that my voice is really glitchy. I can hear them fine though. I have tried changing the ...
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80 views

Ekiga under Windows: registered but calls fail

I have a VoIP account with sub-accounts. Sub-accounts are assigned 3-digit extensions and I can call between sub-accounts using regular desktop phones connected to my ATA. Now I am trying to set up ...
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107 views

Possible to tracert Google Voice calls, if I route my phone# voIP on Linux? Linux Mint Rosa 17

Wondering if it's possible to tracert anonymous voip calls I'm receiving if I connect my phone number to a Linux voIP server (Asterisk, sipX, OpenPBX, etc.)? My idea is that I may receive info from ...
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2answers
767 views

Do I need to wire a CAT5e cable a certain way to provide digital TV over fiber optic?

Fiber optic internet, phone, and TV service comes in to an outside mounted ONT. Two CAT5E cables run into the home from 2 of the 6 ports on the the ONT, which I am assuming is one for internet and one ...
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1answer
2k views

twinkle configuration for Sangoma

I'm able to run AsteriskNOW virtualized on my local system. Also, I'm using Anveo on two different SIP hard phones. Anveo works fine, indicating that the network handles SIP fine. Now, how do I ...
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606 views

WhatsApp low quality voice call on high speed LTE modem

I've this TD-LTE modem with internet connection speed of around 20Mb/s. With this connection, everything works fine except the WhatsApp voice calls. What could be the reason for delayed voice and ...

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