[EanX]

and getting progressively worse the longer I am in the call. Also it will not stay on speaker phone.
Any ideas as to why this phone keeps doing this?

[Trimix]

Wirelessly posted (L'neuf trois)

Has the phone been damaged lately (dropped?)?

[pootshwan]

Sounds like a bad connection but like Trimix suggested is sounds like it was caused from trauma, hence all three features faulting. Water damage could also be the cause. This may be sound like a 'left field' question but do you or have you showered with the phone in the bathroom?

Steve