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COMfortel 1400 IP/2600 IP/3600 IP - Firmware V2.8 - Advanced Information - V02 06/2017
Glossary
Glossary
SMTP
Simple Mail Transfer Protocol - network protocol used for the secure
transfer of e-mails between the PBX and external mail servers. The PBX
needs an external SMTP server (outgoing mail server) to send system e-
mails or forward voice mail messages and fax messages.
Under
Ajustes > Correo > Servidor de correo saliente
you can enter
different outgoing mail servers. If no outgoing mail server has been entered,
no e-mails can be sent.
STUN
Simple Transversal of UDP over NATs - used to determine the public IP
address of an Internet connection. To do this, a STUN request is sent to a
STUN server, which then shares its own IP address allocated by the VoIP
provider with the Internet connection.
Subnet mask
Configuring subnetworks makes it possible to connect many totally different
networks located in totally different areas because each subnetwork
receives its own address and can therefore be addressed by the router. A
subnetwork is created when the IP address is linked with a subnet mask:
If a bit in the subnet mask is set, the corresponding bit in the IP address is
considered a part of the network address. If a bit is not set in the subnet
mask, the corresponding bit in the IP address is used as a part of the PC
address.
The value of the subnet mask, as with IP addresses, is often given in
decimal form (for example, 255.255.255.0 for IPv4 addresses).
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