Aastra OpenCom 130 User Guide - Page 109

Fundamentals, System, Licences, System Info, Telephony, SIP phones, Reset

Page 109 highlights

Voice over IP (VoIP) Fundamentals A configuration dialogue of SIP telephony software 7. You can only conduct a certain number of telephone calls simultaneously with internal SIP telephones. The number licenced can be viewed on the System: Licences page. The number of SIP telephones currently licenced can be determined on the System Info: Telephony: SIP phones page. If you click on Reset licences, the available licences will be reassigned with the next incoming or outgoing calls. 9.2 Fundamentals VoIP makes the transmission of voice and telephony signalling via IP ("Internet Protocol") possible. After a connection is established, the terminal collects voice data (PCM data), which is then sent to the receiver using an IP packet. PCM data can also be compressed to save bandwidth. 107

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Voice over IP (VoIP)
Fundamentals
107
A configuration dialogue of SIP telephony software
7.
You can only conduct a certain number of telephone calls simultaneously with
internal SIP telephones. The number licenced can be viewed on the
System
:
Licences
page. The number of SIP telephones currently licenced can be deter-
mined on the
System Info
:
Telephony
:
SIP phones
page. If you click on
Reset
licences
, the available licences will be reassigned with the next incoming or
outgoing calls.
9.2
Fundamentals
VoIP makes the transmission of voice and telephony signalling via IP (“Internet
Protocol”) possible. After a connection is established, the terminal collects voice
data (PCM data), which is then sent to the receiver using an IP packet. PCM data
can also be compressed to save bandwidth.