When someone collapses in a meeting room or a fire starts in a store room, the nearest phone is often an office desk phone. If that phone needs a “9” for an outside line, is barred from outside calls, or sends the wrong caller ID, the emergency call can fail or reach responders without the right callback number. Planning emergency calls from your PBX takes an hour and is easy to forget. This guide covers dialling 112 from office phones, emergency caller ID, routing, testing, and how internal emergency alerts fit alongside public emergency numbers.
112 and emergency numbers in India
India’s single emergency number is 112, run under the Emergency Response Support System (ERSS). It connects callers to police, fire, ambulance and other help through state emergency response centres. Older numbers such as 100 (police), 101 (fire), 102 and 108 (ambulance) still work in many states, and some states also run women’s and child helplines.
Your office phone system should let every phone reach 112 and the other emergency numbers your staff might dial, without special codes or passwords.
The five rules for emergency calls from a PBX
- No prefix needed. Staff should be able to dial 112 directly, and also with the “9” or “0” they normally use for outside lines. Panic makes people dial what they remember.
- Never blocked. Call restriction rules that bar outside, STD or mobile calls must still allow emergency numbers, on every extension, including lobby, lift, guest room and factory floor phones.
- No PIN. Do not put a route password on the emergency route.
- The right caller ID. Responders should see a number they can call back, linked to your site.
- More than one way out. If the main trunk is down, the emergency route should try another trunk.
How to set it up on Voxdial IP PBX
Voxdial IP PBX has the settings you need for each rule.
An emergency outbound route
On the Outbound Routes page, each route has a Route Type that can be set to normal, emergency or intra-company. Create a route marked as emergency with match patterns for 112 and the other emergency numbers you want to allow, including versions with your outside-line prefix. Place it at the top of the route list so it matches first.
Give it a trunk sequence with more than one trunk, for example your SIP trunk first and a PRI or analog line second. Leave the route password empty.
Emergency caller ID per extension
Each extension has an Outbound CID for normal calls and a separate Emergency CID sent on emergency calls. Set the Emergency CID to a main number for that building or floor that your operator has allotted to you, ideally one answered by reception or security. In a multi-site business, each branch should send its own local number, not the head office number. The outbound caller ID guide explains how caller ID works at trunk, route and extension level.
Check your call restriction rules
Class of Service (COS) rules decide what each extension may dial, using number patterns. When you build profiles such as “Internal only” or “Local only”, make sure emergency numbers are still reachable from every profile. Test a restricted phone, not just your own. See controlling the office phone bill with call restrictions for how COS profiles are built.
Location: what responders can and cannot see
A mobile phone can share its location with the emergency system. A PBX extension usually cannot. Responders generally see the caller ID and the address your operator holds for that number, which may be the head office, not the floor or building where the caller is.
Make up for it with process:
- Send a site-specific emergency caller ID for each branch or building.
- Put the site address near every phone in common areas, lifts and guest rooms.
- Train staff to say the address first: building, floor, room.
- Tell security or reception whenever someone calls 112, so they can meet responders at the gate.
Internal emergency alerts are different
Calling 112 brings outside help. You also need to alert people inside the building fast: the response team, the plant head, the duty doctor, everyone on a floor.
Voxdial includes an Emergency Alert feature that calls named contacts and groups with a recorded voice alert, and paging groups for announcements over speakers and phones (paging is a premium feature). The emergency alert system guide shows how hospitals, factories and schools use both together. A typical plan: staff call 112 for outside help and trigger the internal alert so the response team moves at once.
Test it, then test it again
| Test | How often |
|---|---|
| Dial 112 from a sample of phones, with and without prefix, and hang up when it connects | After every route or trunk change |
| Dial from a restricted extension (lobby, guest room, factory) | After every COS change |
| Pull the main trunk and dial again to confirm failover | Twice a year |
| Check the caller ID shown on a test call to a mobile | After every caller ID change |
| Trigger the internal emergency alert | During every fire drill |
Coordinate live 112 tests sensibly: keep them short, and if a call is answered, tell the operator it is a test call from your office. Some organisations test with their operator’s help or during scheduled drills instead.
Want an emergency calling review of your phone system? Talk to BitVoice and we will check routes, caller IDs and restrictions with you.
FAQs
Can office phones dial 112 directly?
They should. Set an emergency outbound route that matches 112 with and without your outside-line prefix, at the top of the route list, with no PIN and more than one trunk.
What caller ID is sent on emergency calls from a PBX?
In Voxdial IP PBX, each extension has a separate Emergency CID. Set it to a number allotted to you for that site, answered by reception or security.
Will responders know which floor the caller is on?
Usually not. They see the caller ID and the address on record for that number. Train staff to give the building, floor and room first.
Should call restrictions block emergency numbers?
Never. Every class of service profile, including internal-only phones, should still allow 112 and other emergency numbers.
