Phone questions ENP
. A private switch automatic location identification (PS/ALI) provides:
The location of an employee or a tenant
ALI is designed to provide:
The location of the telephone
Selective routing is best described as:
The routing of a 9-1-1 call to the proper PSAP based on caller's location
CAMA's original purpose was: Centralized automatic message accounting
To bill for toll calls
A key 9-1-1 system is a multiple-line telephone system designed to provide shared access to several outside lines through buttons or keys on telephone sets with individual incoming access line appearances.
True
An ALI Controller is the gateway or interface to the ALI database.
True
An ANI re-send (re-send the ANI to ALI database) is also known as an ANI re-bid.
True
An NPA split is a solution to provide additional phone numbers by splitting an area code into two geographically different area codes
True
end office connects other telephone customers to each other and into the 9-1-1 network, but not directly to the PSAP
True
A circuit connecting a telephone switch to another telephone switch is:
Trunk
The element that provides routing information to support the routing of VoIP emergency calls.
VPC- VoIP positioning center
A category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls.
VoIP
9-1-1 was established as the National Emergency Number in what Act?
Wireless Telecommunication and Public Safety Act
In what system are latitude and longitude most useful in the ALI?
Wireless phase II
Two types of 9-1-1 systems are
basic and enhanced
What occurs when the transferring party drops off before the call is answered?
blind transfer
A NPA (Number Plan Area) overlay is a solution to
c. Offer a new area code in the same geographical area
Each call from a given tower and sector uses the same
emergency services routing digit.
In wireless Phase I, what is used to identify the cell tower and sector from which a call originates?
pANI
The delivery of a wireless 9-1-1 call with callback number and identification of the cell tower from which the call originated occurs in:
phase I
What best describes public service announcements:
regulated by FCC
Voice over Internet Protocol (VoIP) is:
. A technology that allows people to place local and long-distance telephone calls over the internet
A primary and secondary feed power supply that comes into a PSAP means:
. Power comes into the PSAP building at two different locations
With ACD or automatic call distribution:
A call-taker is presented a call because s/he has the longest telephone idle time
A service area provided by an end office is:
A local exchange
A pANI is:
A telephone number used to support the routing of wireless 9-1-1 calls and May identify a wireless cell, cell sector or PSAP to which the call should be routed
Round-robin, longest idle, and high-to-low priority are schemes used in:
ACD
Conventional PSAP equipment sends ANI to query what database:
ALI database
Conventional PSAP equipment sends ANI to query what database?
ALI database
In the event of an ANI failure, what happens?
ALI display is not possible
On analog trunks, what is signaled using multi-frequency tones?
ANI
Switching system that provides traffic concentration and distributes functions for interLATA traffic originating/terminating within a LATA is:
Access tandem
Centerlines, SAGs, and ESZs are examples of:
Addressing data
Capability of sending 9-1-1 calls to a designated location if the 9-1-1 trunks to the primary PSAP are busy or out of service.
Alternate routing
Occurs when calls are redirected to a pre-designated location in the event all 9-1-1 circuits to a PSAP are busy:
Alternate routing
What type of routing involves the re-routing of 9-1-1 calls from one PSAP to another in the event the original PSAP is unable to receive or handle its 9-1-1 calls:
Alternate routing
In the event of an ANI failure, what is likely to occur
An error message will appear in the ALI screen
Under the ADA, a PSAP is required to have equipment capable of processing:
Baudot
What is the basis for ANI in 9-1-1 systems?
CAMA
What technology uses a switch at a central location that serves as a hub for central offices to collect ANI information, register call duration and route calls?
CAMA
What trunking was used to deliver basic 9-1-1?
CAMA
The pANI delivered to the PSAP that includes the cell/sector and the callback number with the voice call in the same call-path is used in what environment?
CAS- callpath associated signaling.
The 9-1-1 system requires a small portion of this to form the ALI database
CRIS
When an end office is isolated:
Call takers must be re-located to the isolated end office to answer 9-1-1 calls
The transfer of a telephone call to another party is known as:
Call transferring
Emergency service routing digits are utilized in what environment?
Call-path associated signaling & Hybrids
Wireless Phase II information provides:
Caller's number and location & Caller's number, location, and probability of accuracy
Wireless Phase I information provides
Caller's number and tower sector
What best describes direct trunking for 911?
Calls route from the originating central office directly to the PSAP
As a standard for wireless 911 calls, the ALI re-bid process (in seconds) is
Cannot be done after the call is terminated
Pseudo numbers are used to identify:
Cell tower and sector
Residential, business, centrex, coin, PBX, and wireless are all ALI designations of:
Class of service
In a 9-1-1 environment, CTI refers to:
Computer Telephony Integration
Mathematically derived statistical estimate indicating how sure the measuring system is that the Wireless Phase II location is accurate.
Confidence (Verizon) & Uncertainty (Embarq)
Switching failure at a 9-1-1 tandem office will cause all 9-1-1 calls routing through the affected tandem to be:
Default routed
In which format is voice converted using a vocoder?
Digital
allows both addresses to display when 9-1-1 is dialed.
Dual service
Keys are assigned specific destinations and do not vary based on the ESN of the call
Fixed transfer
A call is presented to a call-taker based upon a predetermined amount of time between the disconnection of the last call and the presentation of the next call is known as a:
Forced answer
What is true about NCAS? Non call path associated signaling
It does not require upgrades to the 9-1-1 tandem or PSAP CPE
A geographic area within which a local telephone company offers local or long distance service is:
LATA
The provider of phone service to the public operating under state regulations to provide a quality of service at a regulated rate.
LEC Local Exchange Carrier
A system that links together electronic office equipment, such as computers and word processors, and forms a network within an office or building is known as:
Local area network
A transmission network encompassing a limited area, such as a single building or several buildings in close proximity.
Local area network (LAN
An interruption or break in a 911 trunk causes:
Loss of PSAP
The loss of call routing and ANI service results from:
Loss of tandem switch or selective router
9-1-1 calls are selectively routed to the correct PSAP based on
MSAG
Enhanced 9-1-1 requires the addition of three components over basic 9-1-1: translation of address to an ESN, SRDB, and ___________?
MSAG
Multi-frequency (MF) tones represent signals from a user to the network?
Multi-frequency tones are control signals within the network. DTMF tones can be used by the user to signal to the network
A solution to provide additional phone numbers by offering a new area code in the same geographic area.
NPA overlay
Which gives states authority to impose 9-1-1 fees on IP-enabled voice service providers:
New and Emerging Technologies 9-1-1 Improvement Act of 2008
The ability to keep a telephone number when changing carriers is called:
Number portability
In a PBX system, what provides the location of the caller to the 9-1-1 call taker?
PS/ALI A separate private switch ALI database is required to be maintained by the phone provider.
A CLEC or competitive local exchange carrier is defined as:
Provider of alternate telephone service operating under state regulations
What ruling clarifies what constitutes a valid request by a PSAP for wireless 911 call delivery service?
Richardson Order
What requires special trunks between tandems and the sharing of PSAP routing codes?
Router-to-router transfers
A listing of all existing structures within a 9-1-1 service area is referred to as:
SAG
What database is produced as a result of customer service records processed against the MSAG?
SRDB
A tandem switch is also known as:
Selective Router
What enables one-button transfer capability of a call with ALI information to another PSAP?
Selective router
The feature that separates basic 9-1-1 from enhanced 9-1-1 is:
Selective routing
What is accomplished through the telecommunications service priority?
Sets priority for return to service or repair of telecommunications service
The process of connecting the calling party to the called party without dedicated transport facilities is known as:
Switching
This controls delivery of the voice call with ANI to the PSAP and provides selective routing, speed calling, selective transfer, fixed transfer and certain maintenance functions of each PSAP.
Tandem, Selective router & Enhanced 9-1-1 Control Office
An ANI/ALI controller provides what feature?
Terminates 9-1-1 trunks
A three to five digit number representing a unique combination of emergency service agencies designated to serve a specific range of addresses within a particular geographic area.
ESN
In the E9-1-1 tandem, what is used to program information used for call routing and transfer?
ESN
What is used to route a wireless call through the network and retrieve the associated ALI data?
ESRK
What uniquely identifies a wireless emergency call?
ESRK
A key 9-1-1 telephone system has evolved over the years in the following sequence:
Electro/Mechanical, Electronic, Digital and Hybrid
Tandem switching is used to interconnect what when direct trunking is not justified:
End offices
What creates the National E9-1-1 Implementation Coordination Office?
Enhance 9-1-1 Act of 2004
The difference between basic 9-1-1 and enhanced 9-1-1 is:
Enhanced 9-1-1 has selective routing
A PBX (private branch exchange) requires each phone to have a telephone line.
False
What was created as a result of the FCC's request for a report on the status of 9-1-1 in the country?
Hatfield report
The carrier of long distance service to the LEC or CLEC at competitive rates and provider of the connection between LECs or LATAs.
Inter-exchange
Telecommunication services that originate in one LATA and terminate in another is:
InterLATA
Customers served by different switching systems in the same LATA is:
IntraLATA
What is the completed path called if customers are served by different switching systems in the same market area:
IntraLATA
