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.
376
questions
0
votes
1
answer
66
views
Using IP phone system with previous POTS number?
I hope I have my terms correct. To explain: we're getting the old ADSL replaced by fibre very soon. The provider has sent out new fibre box per household, with the old POTS-type number transferred to ...
- 29.7k
0
votes
1
answer
13k
views
Is Viber using TCP for VoIP?
I'm currently on a guest WiFi where all ports except those for surfing the web (80, 443, 8080) and mailing (25, 110, 143, 465, 587, 993, 995) are blocked (3128 seems to be working too).
I tried to ...
CommunityBot
- 1
1
vote
2
answers
62
views
Unable to Ping Voice Servers Provided by ISP
I am using a Nokia ONT G-2425G-A router, with an Airtel home subscription in India.
The ISP provides Internet access as well as a VoIP connection. It works by attaching a physical telephone to the ...
- 454k
1
vote
1
answer
5k
views
How can I manage bandwidth consumption of GoToMeeting?
GoToMeeting sessions hog all my networks bandwidth... I have business class cable and other video/audio apps (e.g. Skype, Google Hangouts or Webex) work properly.
In a session yesterday, I initially ...
CommunityBot
- 1
7
votes
3
answers
8k
views
Is there actually a way to make video calls through XMPP/Jingle WITHOUT Google Talk?
Good day people,
I'm writing because I've spent the whole day trying to make video calls through XMPP but I haven't really found out if it's actually possible. There are many clients which ...
CommunityBot
- 1
2
votes
2
answers
6k
views
How do I setup my voip phone to use VPN server?
I've installed Bria 4 on Windows 7 pc. I've got a 15MbPS broadband connection. The Bria on my PC fail to register with this network. However if I connect to VPN server(hide.me), with the broadband ...
CommunityBot
- 1
1
vote
0
answers
122
views
How do I connect VOIP service to PSTN? [closed]
I am planning on making a VOIP network for myself that will use a server running Asterisk. I'd like to be able to interface my Asterisk server with a 'regular' POTS/PSTN phone line to allow me to call ...
- 2,410
0
votes
2
answers
4k
views
How to whitelist IP’s on an Asus router to allow VOIP to pass through without dropped packets?
I recently installed my newly purchased an Asus RT-N56U and quickly noticed that I was getting disconnected from different VOIP services, namely both Mumble and TeamSpeak but otherwise my connection ...
CommunityBot
- 1
3
votes
2
answers
17k
views
"Caller rejected because extension not found" in asterisk
I'm an asterisk newbie and I've just installed it on my ubuntu 12.04 server with sudo apt-get install asterisk. I'm following the tutorial for asterisk from here: https://wiki.asterisk.org/wiki/...
CommunityBot
- 1
0
votes
0
answers
96
views
VoIP phone not working for outgoing calls
I am trying to set up a VoIP phone hosted by Zadarma.
I am using a Grandstream HT801 ATA that is connected via ethernet to a TP-LINK Deco M4R mesh system.
The ATA is successfully registering the phone ...
- 55.6k
1
vote
0
answers
285
views
VoIP phone only works when connected through a secondary Eero AP. Confused
A client reported one of their office VoIP phones was dropping calls within a couple seconds ever since they had a power surge at the office. When I arrived they also reported inconsistent speeds ...
- 111
0
votes
0
answers
19
views
Put extensions in some logical groups, so that only extensions that have same group can call each other in FusionPBX
I need to use FusionPBX as SIP registar (Session Initiation Protocol) or SIP server, to route SIP calls to appropriate SIP accounts (extensions).
Currently every extension has possibility to call any ...
0
votes
1
answer
61
views
Setting a safe admin password on Aastra 67xxi VOIP phones
I administer a network on which there are VOIP phones. Some are old Aastra 67xxi. They have a built in web interface for administration. The phones are on an Ethernet network physically separated from ...
- 766
0
votes
1
answer
191
views
Asterisk confbridge, timeout only while waiting marked
I have just configured an asterisk server for my home doorbell.
The goal is to allow my doorbell to join a conference room but wait for the first user to also join in order to start talking.
I managed ...
- 1,385
1
vote
2
answers
625
views
How do I know if a regular handset will work with VoIP?
I'm looking into this VoIP stuff and I'm awefully confused. There must be a million options. When reading about any given solution, how do I know if it'll allow me to use a regular handset rather than ...
CommunityBot
- 1
17
votes
3
answers
13k
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 ...
CommunityBot
- 1
0
votes
0
answers
470
views
How to reduce bass levels on microphone
Since my webcam microphone has an echo which makes it difficult for others to understand me when I use it for calling people, I want to reduce the bass level for the microphone since I think it might ...
- 411
0
votes
1
answer
3k
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 ...
0
votes
1
answer
50
views
is it possible that packet loss could be causing VoIP software to fail?
We've been using a VoIP software and it's been failing to receive calls and sometimes it hangs up on customers face.
The software tech support used MTR and showed us that our ISP is using a route that ...
- 70.8k
0
votes
1
answer
573
views
Jitsi as a VoIP SIP softphone with asterisk - calls don't work
I have an asterisk server and I am trying to use Jitsi Desktop on Debian 11 as a SIP softphone (like Jami and Linphone) to connect to it and make calls.
Jitsi can register and connect to the asterisk ...
- 1
0
votes
1
answer
4k
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: ...
CommunityBot
- 1
0
votes
0
answers
28
views
How to restrict CEO Voip access
How can I restrict access to the internal number of the CEO in CUCM?
So that the manager can call everyone, but no one else can call the manager except the secretary.
- 6,295
1
vote
1
answer
65
views
Noise when using Yealink SIP-T48G on AVM FritzBox 7580
I have a problem with a Yealink SIP-T48G connected to AVM FritzBox 7580.
Between the FritzBox and the phone is a Ubiquiti Unifi Dream Machine Pro. The FritzBox is the SIP server and the phone does not ...
- 2,325
1
vote
3
answers
255
views
What hardware device do I need so I can connect my phone with an ethernet jack to my wireless internet
I have a telephone which has an ethernet jack in the back (it uses VOIP). It will sit on the 2nd story of my house. My wireless router is on the first floor of my house.
What wireless adapters/...
- 1
0
votes
0
answers
43
views
VOIP devices unable to register with the providers
My VOIP devices have been unable to register on their networks for at least the last 12 hours. These devices were working fine before.
I have tried the Grandstream HT802 with 2 different providers. ...
- 159
0
votes
1
answer
436
views
Linksys SPA-3102 password reset
I've got a Linksys 3102 voice gateway router from a street market very cheap, but it has admin password.
I've tried the combination ***-> 73738# using a phone connected to the FXS port as pointed ...
- 103
0
votes
0
answers
66
views
How to set up calls from PC to go through my phone
I want to recieve calls on my PC from my phone on my actual SIM number.
Something like-
Someone calls me on my phone-> My Phone routes the call through Wifi to my PC -> I can talk to the person ...
- 481k
1
vote
0
answers
376
views
Provisioning Poly VVX250 with Google Voice does nothing
I'm starting a small business and need a phone at the front desk. I purchased a poly VVX250 because, according to Google, it is one of the only phones supported by Google Voice.
I'm following the ...
- 1
0
votes
1
answer
335
views
How to setup Cisco 7945 with two lines from different Asterisk servers?
I have a phone line with 192.168.3.10 Asterisk IP Server, and another phone line with 192.168.3.11 Asterisk IP Server.
Now I want to setup 900 from the first server and 500 from the second server on ...
- 1,385
1
vote
0
answers
92
views
Building VoIP Lan to Apartment Lan
I am quite new on network engineering (coming from programming background). Got stuck at this problem.
Example 1
I have an ASUS RT-AX86U AX5700 router and the building has a 2N Helios IP Verso ...
- 55.6k
1
vote
1
answer
149
views
Killer RJ45 cable for Polycom SoundStation 2?
I was working from a conference room, and because the Wifi was dropping, I ended up unplugging a Polycom SoundStation 2 and connected the RJ45 terminated cable into my laptop. I thought that at best ...
- 1,521
0
votes
1
answer
416
views
Asterisk issue with IVR and '1' extension number
I have FreePBX 15 installation. I have successfully added multiple extensions.
Numbers include some three digit numbers and '1' extension which is a normal ip-phone like others with exactly the same ...
- 1,385
1
vote
1
answer
244
views
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 ...
- 606
9
votes
1
answer
4k
views
linphone: remove/hide "default identity"
Linphone 3.6.1 automatically generates a computer-local SIP identity called "Default Identity".
"Real" SIP accounts you have at a VoIP provider need to be created as "Proxy accounts":
The main ...
- 1,977
0
votes
1
answer
832
views
Use of RTP Marker Bit
RFC 3551 indicates that it should be set only on the first packet for a talkspurt and that it must not be set if silence suppression isn't in use.
I am not clear though on whether or not there exists ...
- 92.7k
8
votes
4
answers
5k
views
Google Voice to be used as a regular phone line
is there a way to use Google Voice on regular phone? perhaps with an additional SIP device? or something? I heard I could do it through Gizmo5, but they have limit of 3 minutes now which is stupid and ...
0
votes
1
answer
329
views
Strange SIP register with false SIP Invite recall
I have here a smartphone app (DIVUS VIDEOPHONE app for iOS version 4.2.16) which makes a SIP REGISTER on an AVM Fritz!Box 7490 and then later should get a SIP INVITE. I just do not know... Does the ...
- 231
1
vote
1
answer
1k
views
Asterisk: how to get current sip.conf settings?
I'm not sure if sip general parameter (such as rtptimeout) is set. There is no mention of it in /etc/asterisk/sip.conf. But may be it is set somewhere else (in include files, for example). How do I ...
- 1,385
0
votes
0
answers
1k
views
Assistance needed install UCT IPTV AS (UCT Advanced IPtv)
My IMS system have 6 component :
P-CSCF
S-CSCF
I-CSCF
HSS
Media Broadcast Server
UCT IPTV (UCT Advanced IPtv) as server
Each component run in each IP. But I can’t install the last component UCT IPTV ...
CommunityBot
- 1
0
votes
1
answer
205
views
Asterisk: how to end frozen calls
Sometimes my voip provider shuts down service without ending calls which are in progress (these calls are incoming to my server and they are coming to queue).
So calls are never gracefully finished, I ...
- 1,385
1
vote
0
answers
22
views
is it possible to capture per application sound streams and then use these as recording devices?
i was just wondering if there exists an application nowadays that can capture an applications output (not system wide audio) and then assign it to a "virtual" recording device which i would ...
- 11
0
votes
1
answer
33
views
Does talking consistently without pauses contribute to jitter in VoIP? Can end-user behaviour mitigate low bandwidth?
I have developed a hunch while using Skype/Zoom/Hangouts etc that, when bandwidth is constrained, talking for long periods without pausing can cause the audio to be garbled at the other end.
To be ...
- 70.8k
0
votes
1
answer
1k
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, ...
- 10.6k
0
votes
3
answers
521
views
Why is the musical sound so much inferior to the voice sound on video chat apps?
My question is about the huge difference in the audio quality between the human voice and a musical instrument - for example, a piano - when using video chat apps as Skype, FaceTime, Facebook ...
- 1
2
votes
1
answer
5k
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 ...
- 10k
0
votes
0
answers
223
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 ...
- 115
0
votes
1
answer
94
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 ...
- 231
1
vote
1
answer
560
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. ...
- 1,432
0
votes
1
answer
630
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 ...
- 1,209
0
votes
1
answer
3k
views
Reboot or restart Polycom SoundPoint IP 335 from command line
I have 4 Polycom SoundPoint IP 335 IP phones. Just wondering if anyone knows if these phones can be restarted/rebooted from a command line. They all have static IP addresses. I do have access to ...
CommunityBot
- 1