14.2.5.2. Configuring a SIP Subscriber 
IMPORTANT:
Configuration of HG 3500 (CGW) board is prerequisite
for SIP subscriber support (see Section 2.5.1,
“STMI2/4 and STMIX/STMIY Board Configuration”).
IMPORTANT:
If the parameters SECZONE, USERID
and PASSWD are used for a secure registration in the AMO SBCSU,
the parameter AUTHERF is set to YES and the security data
must be set also in the SIP terminal!
IMPORTANT:
The parameter MBCHL in AMO SDAT should
be set for all SIP subscribers. If this parameter is not set, features
which need a second B channel are not possible (e.g. conference, second
call).
IMPORTANT:
For all types of SIP phones settings like volume
or ring type are not controlled by the system, so values set via AMO
ACTDA/AMO KCSU for such devices are not used.
UFIP Interface configuration
UFIP subscribers can be configured, on IP gateways (STMI or vHG) with
SIP functionality (BFDAT). UnifyPhone app functionality is provided only via
vHG (SoftGate).
In general, “regular” SIP endpoints and UnifyPhone clients can be
configured in parallel on the same gateway.
AMO:
ADD-SBCSU:STNO=<UFIP_STN>,OPT=OPTI,CONN=IP2,PEN=<X-Y-Z-T>,DVCFIG=UFIP;
For Digest Authentication parameters IPPASW, USER ID and SECZONE have
to be configured.
The client supports registration with E.164 number (with and without
leading +) and extension-number only.
Registration can be checked via vHG WBM: Configuration > Voice
Gateway > Clients > UFIP SIP.
Actual SIP devices do not require any specific loadware or configuration
changes.