Implemented landscape mode for tablets, improvements to SMS chat session creation, and various bug fixes.
Addressed the following tickets:
RS-5621: Fixed issue when the app crashed after sending a text message.
RS-5755: Implemented horizontal mode for tablets.
RS-5784: Implemented a potential fix for the issue when the proximity sensor didn't work when on a call.
RS-5795: Fixed an issue when the app involuntarily logging user out.
RS-5796: Resolved the issue when a user is seeing their name twice when dialling out, even though only 2 extensions assigned.
RS-5803: Addressed an issue when the app crashes when make a call, or receive a call.
RS-5805: Implemented a potential fix for the issue with delays when answering calls.
RS-5806: Addressed an issue when the app sometimes has all the tabs blank.
RS-5807: Implemented a potential fix for the issue with long pauses and no audio at the start of calls.
