Articles

 Beveiligen tegen misbruik

Het is belangrijk om VoIP accounts te beveiligen tegen misbruik.  Dat kan met de volgende simpele...

 Encrypting phone calls in RTP stream

With all the governments wanting to know what people are communicating with each other and people...

 Grandstream 17 minutes hangup bug

To prevent the Grandstream ATA's (or phones) to hangup after exactly 17:28 minutes change the...

 How to activate Message Waiting Indicator

This article describes the procedure of setting up a voicemail message waiting warning for the...

 How to use SIP Presence / Busy Line Feature (BLF)

  Overview The SIP Presence VoipNow Professional feature allows users to view the state of...

 Speedtest

Slechte telefoonverbindingen worden meestal veroorzaakt door te trage of slecht werkende...

 Supported codecs and required settings

The supported codecs on our systems are: Audio (external connections): G.711a / G.711u /...

 Telephone functions (* functions)

*21 Bellende telefoon opnemen op ander toestel*52 Test nummer / Echo test om vertraging op lijn...

 Transfer from SNOM M9

Answer Call Transfer (Blind) While “Connected”, press Options to bring up “Options”...