Notes And Restrictions When Connecting With Internet Service Provider - Fuji Xerox DocuCentre-IV 2060 Administrator's Manual

16 Appendix
VoIP Gateway
NAT/NAPT

Notes and Restrictions when Connecting with Internet Service Provider

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SRST that works on routers such as CISCO2801 manufactured by Cisco Systems,
Inc is not supported.
Cisco Call Manager Express that works on routers such as CISCO2801 by Cisco
Systems, Inc is not supported.
If you use a SIP server manufactured by Cisco Systems, Inc. you can specify only
IPv4 address character strings of the SIP server on the right side of @ in [SIP User
ID (Sign-in Name)]. If you specify IPv6 address character strings, FQDN character
strings, and SIP domain name character strings, the SIP server does not work.
When a SIP server is configured as a SIP terminal of the machine on the server, if
settings other than specified are configured, the SIP server does not work as the SIP
terminal.
For a SIP server manufactured by Cisco Systems, Inc,. an address retention period
is fixed to 120 seconds. This value cannot be changed even if Timer Register Expires
value is changed.
CISCO2801-V/K9 (IOS 12.4) manufactured by Cisco Systems, Inc. is a VoIP
gateway we have validated operation.
The gateway may not work properly over an analog line depending on your
environment.
If you use a VoIP gateway manufactured by Cisco Systems, Inc., only UDP can be
used as T.38 protocol.
VoIP gateways do not work on IPSec communication.
VoIP gateways do not work in an IPv6 environment.
If settings other than specified by Fuji Xerox are configured for a dial peer or a voice
port on a VoIP gateway, the VoIP gateway does not work.
If a part of transferred data is lost on a network, a part of image may be missing or
be getting stacked. To avoid these, the ECM mode is effective.
The machine can always use the ECM mode, however, you cannot use the mode
depending on the VoIP gateway settings.
Consult your network administrator whether the ECM mode is available.
Communication protocols that transmit UPnP, TURN, STUN, ICE, and UDP hole
punching in SIP communications are not supported.
IP Fax (SIP) does not work in an environment that uses NAT/NAPT devices including
ALG.
This section describes notes and restrictions to observe when using features that
transmit e-mails or Internet faxes using an Internet service provider (ISP).
The features related to e-mail are as follows:
E-mail
E-mail Notification Service
Print E-mail
Internet Fax