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Forum Discussion
Greg76
Nov 22, 2020Tutor
CM1150V Voice Not Working
I purchased the CM1150V from netgear to replace the Altice modem from Optimum so I could fully access my smart home systems. The modem was provisioned by Optimum when I called and internet works jus...
FURRYe38
Nov 23, 2020Guru - Experienced User
Either ISP or a tech needs to check the phone lines in your home. You'll need to contac the ISP for help in this. If this worked on a different ISP and isn't working on the different ISP, then the newer ISP needs to look into this.
- Greg76Nov 25, 2020Tutor
It is the same ISP (Optimum). The only difference here is the modem.
- FURRYe38Nov 25, 2020Guru - Experienced User
Either ISP or a tech needs to check the phone lines in your home. You'll need to contac the ISP for help in this.
Contact NG support as well.
- SShawnJan 09, 2021AspirantWondering if you got this to work with optimum if so how or what do I need to do I have same issue
- antinodeJan 09, 2021Guru
> Wondering if you got this to work with optimum if so how or what do I
> need to do I have same issue> Model: CM1150V|DOCSIS 3.1 Nighthawk. Multi-Gig Speed Cable Modem for
> XFINITY(R) VoiceI know nothing, but does "optimum" offer "XFINITY(R) Voice"? I would
think not.Perhaps a forum search for "CM1150V" would find some useful
information. Mine found, for example: