What is SIPconnect?
A Recommendation for PBX and ITSP interoperability
The State of the SIP Trunk after the first Registration message has been accepted
An RFC for connectivity of SIP Trunks
The name of the SIP Trunk to the ITSP
RC 4733 supersedes RFC 2833 for DTMF Transport method definition
What is the response code number that indicates a SIP device is RINGING?
180
200
100
320
200 OK
With Assured SIP the SIP UA must send all of its SIP messages to its proxy
Which port is the Secure port on a Server supporting HTTPS?
43
443
80
83
What is the format type of a certificate issued by a CA?
x.25
x.500
x.CA-5
x.509
What device would you need to implement to allow a non-SIP (or IP based) PBX to utilize SIP trunking services from an ITSP
Media Gateway
Media Switch
Media Router
Media NAT
P.Preferred allows a SIP UA to have the option to suggest which SIP URI should be used when populating the P.Asserted Field
Early Media is required in order prevent voice 'clipping'
Response code 486 indicates a sip device is busy
SIP Call forking in parallel will send SIP invites to all of your registered SIP devices at the same time when someone calls you
What kind of server is required to allow SIP calls to be connected to the PSTN?
Proxy
Router
Gateway
Registrar
DNS
Location
What is the SIP method used to end a session? For example: when a person ends a call after a conversation is over
BYE
PRACK
CANCEL
ACK
DSCP stands for "Differentiated SIP Code Point"
1XSIP Trunk equates to a 1XDSL line to the ITSP
What is the recommended session expires value in seconds from RFC 4028
3600
90
1800
TRIP stands for
Transmittance of IP
Telecom Routing Information Protocol
Telephone Reliability over IP
Telephone Routing over IP
Which IETF Group is responsible for work on Instant Messaging and Presence
SIPPING
BLISS
DRINKS
SIGTRAN
SIMPLE
What is SIP said to be modeled after?
VoiceXML
XMPP
HTML
HTTP
Which is the value that all branch IDs in the SIP header sent out from a SIP server to begin with?
127.0.0.1
z9hG4bk
bid3261
branch=on
A 503 response code indicates a bad gateway
What service does an ICE capable SIP UAC start in order to assist called SIP devices get signaling and media back to it? (I swear guys this is how the question is worded on the drill sheet, jkh)
Local STUN service
Local NAT Service
Local TLS Service
Local Media Proxy Service
Whilst on a voice conversation the ________ method can assist in the setup of Video to complement the conversation
UPDATE
OPTIONS
SUBSCRIBE
INFO
DTMF tones may be lost/corrupted if using the inband method of delivery along with the G.729 codec
Which Fiber technology acronym equates to fiber all the way to your residence
FTTT
FTTH
FTTC
TLS is used to secure SIP signaling
RTP carries Video across TCP to guarantee delivery
True
False
Which of these will assist a location server build its database of in service SIP devices
REGISTRATIONS
SUBSCRIPTIONS
INVITES
LOCATE COMMANDS
NAPTR QUERIES
For a single voice connection RTP and RTCP share the same UDP port number
Which DTMF method when used to carry DTMF tones can Proxies actually see the detail of the SIP message
MESSAGE
In-Band
SIP INFO
RFC 2833
The default port for Secure SIP signaling using TLS is also 5060
3164.arpa is the only ENUM tree available
What SIP method is used to INITIATE a new Conference
INITIATE
INVITE
REFER
CONF
RFC 4474 relates to caller identity
An IP phone may use which DHCP Option in order to register with a SIP server
66
120
132
133
There is no central registry in a Multi lateral VoIP peering arrangement
Layer 2 Classification is something routers will use to prioritize VoIP packets across a WAN link
Which two of the following are protocol suites that allow IP and Presence applications to work
OCS
CPP
Which RFC relates to transporting DTMF tones using SIP
RFC 3261
RFC 2545
RFC 2861
What is the format of the ENUM query sent to the DNS server for the Telephone Number +441216679182
441216679182.e164.arpa
281976612144.e164.arpa
4.4.1.2.1.6.6.7.9.1.8.2.e164.arpa
2.8.1.9.7.6.6.1.2.1.4.4.e164.arpa
Which transport protocol does not use acknowledgements
UDP
TCP
MARTINI is an IETF working group
What element should a SIP proxy inspect to determine whether there is a loop?
VIA
Call-ID
Record-Route
To
From
When using a SIPS address and subsequently requesting a secure session, which protocol combination would be used?
TLS/TCP/IP
TLS/UDP/IP
TLS/IP
The VIA element of a SIP message can be found in the SDP body
SIP Bridging refers to
A call from the PSTN to a SIP Device
A Call from a SIP device to the PSTN
The Connection of a call from a H.323 Network to a SIP based network
A Call between PSTN devices where the call "crosses" a SIP based network
Select the main characteristics of a SIP location server
Its database is built by receiving updates from the REGISTRAR server
It requires active directory to work
It can utilize external databases such as DNS to help find other SIP devices and users
The LOCATION service usually co-exists on the same server as the REGISTRAR service
What level registrar will a person contact to register their AOR details
Tier 1
Tier 0
Tier 2
The Root
Out of band RTP relates to RFC 2833
How many bits can be used with a Layer 3 DSCP
8
6
46
5
3
The P asserted identity field is held within the SDP body of an INVITE message
If you call a remote SIP device but no Audio is heard, what is the 'most likely' problem?
The Firewall is blocking RTP traffic
The Codecs are mis-matched
You are connecting to the wrong SIP proxy
The Firewall is blocking SIP Signaling
Which SIP method initiates the binding of a SIP UA's URI to an AOR?
REGISTER
NAPTR
BIND
NOTIFY
Which IM client uses XMPP
X-Lite
Google Talk
Skype
Sightspeed
DTMF signalling messages can be carried within a SIP INFO message
