Telephone lines allow you to register SIP telephones on the system and make and receive calls. Each telephone can have one or more lines.

To add a new telephone line

1. Log in to the Enswitch web interface.
2. Go to Features » Telephone lines.
3. Click the "New" button.
4. Enter the following:
   • An account number. This number can be used to call the telephone within the system.
   • Optionally a description.
   • Choose which person owns the telephone.
   • Optionally the MAC address of the telephone. Multiple addresses may be entered, separated by spaces and/or commas.
   • If your system is configured for provisioning, which provisioning template to use. Leave at "Automatic" to let the system choose the best template.
   • Whether to send SIP OPTIONS pings to the telephone. This should not normally be required.
   • Optionally a required source IP address or range of addresses. Ranges can be specified using CIDR netmasks, for example "192.168.0.0/16". Multiple address and/or ranges can be entered, separated by spaces and/or commas, for example "10.0.0.0/8, 192.168.1.1"
   • Whether the telephone is expected to be registered. If set to "no", no red flag will be shown and no alerts sent if not registered.
   • The SIP password.
   • The callerids sent on outbound calls.
   • A caller name to send on internal calls. If not set, the name provided by the telephone in the SIP call will be used.
   • A caller name to send on external calls. If not set, the name provided by the telephone in the SIP call will be used.
   • Whether the majority of calls from this telephone line will be voice or fax.
   • The class of service if you have any.
   • Which record group to use to record calls, if you have any.
   • The maximum the telephone line may spend on calls per day. If the telephone line exceeds this, further calls are blocked for the rest of the day.
   • The maximum number of calls to allow to and from the telephone line.
   • Whether to play ringing or music when calling the telephone.
   • Which music to play when on hold, if you have any.
   • If any pick up groups are configured, which group this telephone line is a member of.
   • Whether this telephone line may be entered in the auto attendant and IVR menus.
   • Whether to send the called number as the request URI to SIP telephones. This option is not recommended.
   • Which mailbox to monitor for the message waiting light. This is also the mailbox used if you call voicemail automatic access from this telephone line. If not set, calling voicemail from this telephone line will always ask for a mailbox and PIN.
   • Whether to display this telephone line in the control panel.
   • If your system is configured for multiple languages, which language to use.
   • If your system is configured for multiple dial plans, the dial plan.
   • Whether to set do not disturb. If set, calls will forward to the destination below without ringing the telephone.
   • Whether to accept calls without callerid. If not, calls without callerid will forward to the destination below without ringing the telephone.
   • Whether to screen calls. If set to yes, the person answering will be asked if they wish to accept the call.
   • How long to ring the telephone for before going to the destination below.
   • Optionally a number to forward all calls to the telephone line to.
   • A destination if the telephone does not answer or rejects the call.
   • Optionally a destination if the telephone is busy. By default, this goes to the same destination as if the telephone does not answer.
   • Optionally a destination if the telephone is not registered. By default, this goes to the same destination as if the telephone does not answer.
5. Click the "Save" button.
6. If a number will forward to the telephone line, add it.
7. Configure the account number and password on the SIP telephone. The following settings are recommended:
   • Most models of telephone should have NAT disabled as the server will handle this. For more details, please see the list of telephone models.
   • Register to a DNS hostname rather than an IP address. If the IP address then changes, the telephone will not need reconfigured.
8. For details on specific telephone models, please click here.
9. Optionally, configure busy lamps.
10. Optionally, create speed dials by clicking the "Speed dials" link at the bottom of the edit telephone line page.