OBi1000 User Guide
Copyright Obihai Technology
30
External Conference Bridge
When using an external conference bridge, the conference size is not limited by the phone but by the conference
bridge. Check with your phone administrator or service provider on the size limit. Earlier, we described how to start
a 3-‐way conference, however, after the conference is started, you will notice that only one connected call to the
conference bridge remains on the screen while the two calls with the initial two conferencees are removed. This
indicates the two conferencees have also connected to the conference bridge on their own.
To add another conferencee, make a new call to the target number or answer a new incoming call from another
party -‐ this will automatically hold the current call to the conference bridge. When the called target rings or
answers, highlight the call to the conference bridge that is currently in the Holding State and select the “Add to
Conf” option. At that point the call to the conference bridge is resumed while the new remote party is also added to
the conference bridge. You can continue to add more conferencees this way until it reaches the limit set by the
conference bridge.
Group Paging
A paging group is a multicast group such that every phone on the same LAN that has joined the group can send
audio to and receive audio from other members of the group. A multicast group is defined with a multicast address.
Each OBi1000 phone supports two multicast groups that are configurable by the administrator. The administrator
may also assign a feature key for users to join or leave each group. Consult your phone administrator to check
whether the group paging feature is enabled at your location.
In most cases, adding the “Page Group” feature key will enable group paging using the default settings. Simply add
page group 1 or 2 to each phone as required.
Here is how to use the group paging feature:
1.
If not joined (LED off), press the key once to join the paging group. Once you have joined, the LED is red and
your phone will play audio received from the paging group (multicast channel)
2.
After joining (LED red), press and hold down the key to talk (PTT or push-‐to-‐talk) to the group. Audio
received from the multicast channel is paused while you are talking
3.
If the “clamp-‐on” option is enabled by the admin, you can enable clamp-‐on so that you can continue to talk
without needing to keep the key pressed down. To enable clamp-‐on, after joining press and release the key
quickly and the LED will change (blinking slowly in red) to indicate that clamp-‐on is enabled
4.
To leave the group after joining (and clamp-‐on, if available), press and release the key quickly
When audio is received from the group, all your current calls will be interrupted and put on hold in the standard
way as if a new foreground call is added. When joining two page groups, and in the event two pages are received at
the same time, the audio from the two groups is mixed locally by the phone.
