Panasonic rugged link2cell bluetooth cordless phone with voice assist one touch call block and answering machine 2 standard handsets 1 rugged handset kx tgd583m2 black 4 2 out of 5 stars 495 104 97 104.
Rugged wireless sip phone.
The one i listed has a 5000mah battery and another phone from apollo tech has an 8000mah battery.
I would imagine you need an audiocodes gateway or something similar.
Yealink t48s ip phone 16 lines.
It was with an asterisk system sip based.
Sure the phone is a bit behind in a few ways its battery could be better and we would have liked to see 5g connectivity it s still the best rugged smartphone you can get right now.
These durable drop proof cell phones go from work to play seamlessly.
7 inch color touch screen display.
Usb 2 0 dual port gigabit ethernet 802 3af poe power adapter not included sip t48s.
But back to the original point.
Try the polycom phones and if you have a bruiser who beats them or someone needs more battery life consider the android phone.
See the line up of kyocera rugged waterproof phones.
4 4 out of 5 stars 98.
Pes3202 rugged wifi sip phone 1 00 pes3202 is designed and manufactured to meet the highest standards of safety under international standards for intrinsic safety.
The voip telephones are intended for connection to a 10 100 baset ethernet sip network and operate using power over ethernet or an external power source.
Gai tronics sip compatible voip handset surface mount telephones are designed to provide direct point to point communications between personnel throughout a facility over an existing lan.
I also have several ip68 rugged phones that i use as personal mobile phones.
Protective flaps cover each port and raised edges protect the screen from surfaces.
I am not sure how well sccp skinny and sip work together either.