Looking on the internet deeply has found these results:

telephonic conversation is the most popular phrase on the web.

telephonic talk 114,800 results on the web	telephonic conversation 1260,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Emergency order for telephonic intercept of a cellphone, number 915 No, maestro Of all things telephonic... I'm getting a telephonic search warrant and having units meet us at the Walkers' house. I'm part of an elite organization of telephonic representatives... Electrical telephonic and telegraphic apparatus, n.e.c. 0909. Parts of electrical telephonic or telegraphic apparatus Subject: Retention of data generated by telephonic and electronic communications	Subject: Retention of data generated by telephonic and electronic communications I'm part of an elite organization of telephonic representatives... Electrical telephonic and telegraphic apparatus, n.e.c. No, maestro Of all things telephonic... I'm getting a telephonic search warrant and having units meet us at the Walkers' house. 0909. Emergency order for telephonic intercept of a cellphone, number 915 Parts of electrical telephonic or telegraphic apparatus

telephonic talk

114,800 results on the web

telephonic conversation

1260,000 results on the web

More popular!

Emergency order for telephonic intercept of a cellphone, number 915
No, maestro Of all things telephonic...
I'm getting a telephonic search warrant and having units meet us at the Walkers' house.
I'm part of an elite organization of telephonic representatives...
Electrical telephonic and telegraphic apparatus, n.e.c.
0909.
Parts of electrical telephonic or telegraphic apparatus
Subject: Retention of data generated by telephonic and electronic communications

Subject: Retention of data generated by telephonic and electronic communications
I'm part of an elite organization of telephonic representatives...
Electrical telephonic and telegraphic apparatus, n.e.c.
No, maestro Of all things telephonic...
I'm getting a telephonic search warrant and having units meet us at the Walkers' house.
0909.
Emergency order for telephonic intercept of a cellphone, number 915
Parts of electrical telephonic or telegraphic apparatus