If your Internet connection is not functioning as it should, your devices won't be able to...2. Check the Announcements page for possible maintenance work or disruptions
Although we try very hard to prevent any disturbances in the service, we do have to do some...3. Have the problems started after updating firmware or replacing / adding devices?
Have the problems manifested themselves after changing or adding on of the following: - a new...4. Check if your phone is set to DND (Do Not Disturb)
U can dial out, but they can't call you? Do incoming calls go straight to voicemail? Check...5. Check if your phone is set to Forwarding
Another possibility is that, often by accident, a Forwarding modus has been activated. Often you...6. Check if your Internet connection is plugged in to the right network socket on your phone.
Most IP Phones have 2 network ports: LAN or INTERNET: to connect the phone to your Internet...Capturing local VoIP data stream / Capture a TCP trace
Have you been asked to send us a capture or a call trace?On occasion, we may ask you for more...If you can't dial 1 specific number
If you find that dialling a certain telephone number doesn't work as it should, and you have gone...Troubleshooting Single audio in VoIP
Troubleshooting Single audio in VoIP and solving it(Single audio is also know as One way audio)...Port forwarding
What ports should I forward on my NAT device to make SIP work?There are two types of traffic that...User Agent says “registered” even if my username or password are incorrect
I tried to register with the SIP server, but my User Agent says “registered” even if my username...User Agent says “registered” but I get an audio message telling me that the account is invalid?
User Agent says “registered” but I get an audio message telling me that the account is invalid?Of...IVR / Auto-Attendant says 'no valid input'
I've set up the IVR / Auto-Attendant but when I try it I get the error 'no valid input' after a...My phone display shows a wrong/strange number when I get a call.
This is generally because there are many different VoIP systems out there and some adhere to the...Setting up a Gigaset IP phone (DECT)
Login to the base station of your Gigaset IP phone. Go to: Telephone >...Account Suspension / Non payment of invoices
Take note that all Voyced services are PrePaid services.Recently we have seen more and more...Calling (International) Premium numbers?
Can we call any (International) Premium / Freemium numbers?Possibly yes, possibly not.What does...SIP error codes: 1xxx
1xx—Provisional Responses100 TryingExtended search being performed may take a significant time so...SIP error codes: 2xxx
2xx—Successful Responses200 OKIndicates the request was successful.202 AcceptedIndicates that the...SIP error codes: 3xx
3xx—Redirection Responses300 Multiple ChoicesThe address resolved to one of several options for...SIP error codes: 4xx
4xx—Client Failure Responses400 Bad RequestThe request could not be understood due to malformed...SIP error codes: 5xx
5xx—Server Failure Responses500 Server Internal ErrorThe server could not fulfill the request due...SIP error codes: 6xx
6xx—Global Failure Responses600 Busy EverywhereAll possible destinations are busy. Unlike the 486...