Anonymous Call Rejection
Feature description: Automatically reject incoming calls from parties who do not deliver their name or telephone number with the call.
Automatic Line / Direct Connect (“Hotline”)
Feature description: Automatically dials a pre-assigned Centrex station’s extension number or external telephone number whenever a user goes off-hook or lifts the handset.
Adequate Broadband Internet Connection
Broadband Internet connection with speed at least 1500/256 kbps
Call Forwarding on Busy
Feature description: Automatically routes incoming calls for a given extension to another pre-selected number when the first extension is busy.
Call Forwarding on Don’t Answer
Feature description: Automatically routes incoming calls for a given extension to another pre-selected number when there is no answer after a specified number of rings.
Call Forwarding to Multiple numbers
Feature description: Calls can be forwarded to different numbers. The forwarding call switches to next assigned multiple numbers if fails to connect.
Feature description: Allows user to place call on hold, move to a different location, and then resume the call from any other station in the centrex by dialing a pickup code.
Call Restrictions / Station Restrictions
Feature description: Prevents certain types of calls from being made or received by particular stations. For example, phones in public areas can be blocked from originating calls to external numbers, so as to prevent unauthorized users from incurring toll charges. Phones in certain areas may be blocked from receiving external calls in order to limit employees’ ability to take personal calls. A wide variety of restrictions is available, covering incoming calls, outgoing calls, toll restrictions, code restrictions, and differential treatment for internal and external calls.
Feature description: Allows the user to originate a call to the last party or number that called the user, regardless of whether the user answered the original call or knows the caller’s identity.
Feature description: Transfers an existing call to another party (inside or outside the Centrex group).
Feature description: Alerts the user to incoming calls when the user’s line is busy with an established call. Upon hearing the Call Waiting tone, the user can put the current conversation on hold to answer the incoming call. The Call Waiting service has to be enabled on the IP phone.
Feature description: Allows the user to identify the name and telephone number of a calling party before answering an incoming call. The phone must have a display to show the caller ID.
Feature description: Calls can be put on hold by depressing the switch-hook or pressing the flash button. After completing the second call, the user is automatically reconnected to the original call on hold.
Caller ID on Call Waiting
Feature description: Allows a caller’s name and number to be displayed when the called party is taking another call. The phone must have a display to show the caller ID, and the Call Waiting feature must be activated.
DID (Direct Inward Dialing)
Feature description: It is a feature offered by telephone service providers. Generally a PSTN number is allocated to customer, other PSTN user or IP user within an organization can call that number.
Message Waiting Audible
Feature description: Provides the user with an audible notification – a “stutter” dial tone when messages have been left in the extension’s voice mail system.
Message Waiting Visual
Feature description: provides the user with a visual indication when messages have been left in the voice mail system.
Feature description: Provides a musical interlude for callers who are waiting on hold.
Feature description: Blocks a station from placing calls to specific numbers.
Feature description: Allows the user to call frequently called telephone numbers by dialing an abbreviated speed calling code instead of the entire number.
Feature description: SoftPhone is a software to make calls over the Internet using PC rather than using physical telephone set.
Three-Way Conferencing (Three-way calling)
Feature description: Allows user to add a third party to an existing conversation forming a three-way conference call. SIP phone must support the 3-way calling feature.
Feature description: Blocks a station from placing calls to telephone numbers that would incur toll charges.
Feature description: No time limit imposed on the duration of a call. Generally charged on a flat rate basis.