Zultys ZIP2, User Manual

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ZIP2 User’s Manual
A.2.7 OOB Signalling
This panel configures out of band signalling parameters. To access this panel, select SIP from the
main menu and OOB Signalling from the sub-menu.
Send Out-Of-Band Telephone Events. The ZIP2 supports the following signalling methods:
•
Out of band signalling as defined by RFC 2833.
RFC 2833 describes an RTP payload for DTMF digits, other tone signals, and telephony events.
•
Out of band signalling as defined by RFC 2976 ( SIP Info option)
•
In band signalling ( None option)
All other parameters are valid for systems that use RFC 2833 as the Out-Of-Band signalling
protocol.
Important
Press the Save OOB Settings button to save the configured values to the phone.
Settings do not take effect until you power cycle the phone or execute a Reset
command (see section A.2.16 on page 59).
A.2.8 ToS/DiffServ/STUN
This panel configures Layer 3 IP level quality of service parameters. To access this panel, select SIP
in the main menu and ToS/DiffServ in the sub-menu.
Important
Press the Save ToS/DiffServ Settings button to save the configured values to the
phone. Settings do not take effect until you power cycle the phone or execute a
Reset command (see section A.2.16 on page 59).
The STUN protocol specifies a scheme to determine the public IP address of an IP device. The ZIP
2 implements STUN as specified in RFC 3489, first to discover if it's behind a NAT/Firewall, then
to obtain the public IP address and port number for that NAT/Firewall. If this discovery is
Figure A-7 RTP Telephone Event Configuration