A customer has asked you to provide a design for a 1,400 H.323 stations and eight T-is. You have provided the following design:
* Communication Manager Simplex
* Two G450 Media Gateways
* Eight T1Media Modules
* 1,400 - 9611G IP Phones
* 1,400 - Core Licenses
The customer responds that the following changes need to be made to the design:
* Change all the H.323 stations to SIP stations.
* Add 2 additional T1s to the design as the customer has higher traffic than initially thought.
* All users will need to be able to use the Skype for Business client for telephony.
Which two changes need to be made to the design to comply with the customer's revised requirements?
(Choose two.)

A Sales Engineer is designing an Avaya Aura 8.x solution where 900 video users are being added. There is enough bandwidth for all users to establish video calls at 6 Mbps.
Which video codec will provide the best video quality that the network will support?

In a discussion with your customer you are explaining local survivability and the SIP Trunkingfunctionality provided by a Branch Session Manager.
Which two statements would be a part of your discussion? (Choose two.)

One of the requirements of a proposal you are working on, is the ability to query an Active Directory database for contact Information from the customer's Avaya 96XX SIP Phones.
To support this functionality, which component must be included in your solution?

A customer has a branch location with the following requirements:
* 24 H.323 Endpoints
* 30 SIP Endpoints
* 1 DS-1 for PSTN trunking
* 15 Analog Ports
* Survivability for all endpoints in event of WAN fail
What is the least cost gateway solution that meets all of these requirements?