Name: IPIV @ LINK33 & LON1 Standard Maintenance What are we doing? making improvements on the handling of calls to unallocated numbers Why are we doing it? This change will stop calls to unallocated numbers hunting around our network When are we doing it? (start and end) 07/02/2022 @ 21:00 - 21:30 How will it impact me? No impact - change will only affect unallocated numbers When raising a ticket please use: (AT#)

Name: Vocal Cloud Standard Maintenance What are we doing? updating list of codecs available for use Why are we doing it? we have noticed some diverted calls in ElasticCX trying to use G711ULAW, this change will set the carrier trunks to use G711ALAW When are we doing it? (start and end) 08/02/2022 @ 21:00 How will it impact me? no impact expected notification for awareness When raising a ticket please use: (AT#)