Audicodes is known for media trans coding products like e1 to sip where an e1 card is not feasible which could be costly itself and requires some expertise help to configure.
Rugged wireless sip phone.
Voip telephones are compatible with cisco s ucm.
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.
I am not sure how well sccp skinny and sip work together either.
The one i listed has a 5000mah battery and another phone from apollo tech has an 8000mah battery.
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.
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.
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.
See the line up of kyocera rugged waterproof phones.
It was with an asterisk system sip based.
Usb 2 0 dual port gigabit ethernet 802 3af poe power adapter not included sip t48s.
These durable drop proof cell phones go from work to play seamlessly.
Protective flaps cover each port and raised edges protect the screen from surfaces.
Try the polycom phones and if you have a bruiser who beats them or someone needs more battery life consider the android phone.
But back to the original point.
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.
I also have several ip68 rugged phones that i use as personal mobile phones.
Yealink t48s ip phone 16 lines.
I would imagine you need an audiocodes gateway or something similar.