Contacts application – supports up to 100 entries
Call log – contains last 100 calls
H.323 protocol support
Standards-based codec support: G.711, G.726, G.729A/B
Supports the following languages: English, French, Spanish, German, Italian, Dutch, Portuguese, Russian, Japanese (half width Katakana).
Additional language support available on the 1616-I: Traditional Chinese, Simplified Chinese, Korean, Hebrew and Arabic.