Vоice Gateway architectural diagram

KAM_EXT_IP

Yes

IP address on the external interface.

KAM_INT_IP

Yes

IP address on the internal interface.

KAM_NAT_EXT_IP

No

IP address exposed to external connections through NAT.
In case of absence, the External NAT must be equal to KAM_EXT_IP.

KAM_NAT_INT_IP

No

IP address that will be represented to internal connections through NAT.
In case of absence, the External NAT must be equal KAM_INT_IP.

KAM_EXT_PORT

5969

Yes

SIP service for cloud intercoms (Sputnik). TCP/UDP.

KAM_INT_PORT1

5060

Yes

SIP service for standalone Intercoms (Beward and Intersvyaz). TCP/UDP.

KAM_WEBRTC_PORT

7443

Yes

WebRTC to handle connections from mobile applications. TCP.

KAM_SITE_NAME

vgw1.company.com

Yes

Domain name which will be used to connect mobile applications.

KAM_COMMON_NUMBER

-

No

A common number that can be used to hide Intercom’s SIP-URI.
Applicable only for IMS connection.

If defined, the calling party number will be replaced with this value.

KAM_SBC

No

The SBC through which IMS is connected.

KAM_NUM_RANGE

1.{11}

Yes

Regex pattern allowed SIP-URI for registration.

RTP port-min
RTP port-max

20000 - 25000

Yes

The range of RTP media ports. UDP.