R26/R23 Series
Admin Guide
IP Announcement: To setup the IP announcement active time.
Over the configured value, the phone will not announce the IP when
users hold the button.
RingBack Upload: To upload the ring back tone by users.
Opendoor Tone Upload: To upload the opendoor tone by users.
3.4. Intercom Call
3.4.1. Direct IP Call
Without sip server, users can also use IP address to call each other,
but this way is only suitable in the LAN.
Go to Phone - Call Feature to enable the direct IP call for door
phones first.
Then, go to Intercom - Basic to configure the IP address of the
destination(E.g. IP address 192.168.1.100). It supports up to 8
lines simultaneously.
Figure 3.4.1.1 Push button
Figure 3.4.1-1 Direct IP call