VoIP gateway IP400 version 5.01
Page 85
6.4
Registering the gateway with another gatekeeper
If your gateway (or the gatekeeper contained therein) has to log on to another
gatekeeper as, for instance, in the scenario illustrated in Fig. 20 on page 71, this
can be done using a gateway definition in
Register at gatekeeper as gateway
mode. As a result, your gateway will be registered as a VoIP gateway (see page
67). In most cases, this is the correct mode. Use the
Register at gatekeeper
as endpoint
mode, if the gatekeeper only allows the registration of a VoIP end
point. On the other hand, the behaviour is identical in both modes, if the external
gatekeeper is an innovaphone gateway.
• To register with a gatekeeper, in the area
VoIP Interfaces
under
GW1
to
GW12
, set up a definition in
Register at gatekeeper as gateway
, or
Register at gatekeeper as endpoint
mode.
• You can leave the
IP address
field empty, if the gatekeeper is to be found
using
Gatekeeper Discovery
(see section 6.1.2 “Gatekeeper discovery”
from page 72). Otherwise, enter the IP address of the gatekeeper there.
• If the gatekeeper operates with a gatekeeper ID (see section 6.1.3 “The
Gatekeeper ID” from page 72), enter it into the
Gatekeeper ID
field.
• Define the
H.323 Alias
required to identify yourself with the gatekeeper by
clicking on the
Add alias
button. It usually makes the most sense if the gate-
way only registers with an H.323 name and not with an E.164 address (i.e.
with a telephone number). This is obligatory with some gatekeepers though.
Look therefore at the documentation for the gatekeeper where you want to
register.
• Define the H.323 protocol options for communication with the gatekeeper
(see section 6.1.4 “H.323 protocol options” from page 73).
• If it is necessary to modify call number processing (see 62), then make the
entries, using the
Add CGPN
/
CDPN in
/
out map
button, in the area
Call-
ing
/
Called party num. in
/
out
.
• If calls from external gatekeepers are also to have access to your gateway's
ISDN interfaces, define the voice transmission parameters (see section 6.1.6
“Voice transmission” from page 76).