Panasonic
Yes, both Jive Voice and ZipCall offer a Free Trial.
Jive Voice is designed for Large Enterprises, Medium Business and Small Business.
ZipCall is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Jive Voice Starts at $19.95/User whereas for ZipCall Starts at $49/Month.
Some top alternatives to Jive Voice includes CloudTalk, Dialpad Talk, VoIPstudio, Vonage Business, Vodia PBX, VoiceIQ, 4PSA VoipNow, MightyCall, Ringover, Continent Telecom IP PBX and Comcast Business VoiceEdge.
Some top alternatives to ZipCall includes Jive Voice, JustCall, VoiceIQ, Jet Interactive, Voxloud, JivoChat, Qualified, Workvivo, Voiclet, Vidiwise, Jikoo and IFTTT.