Ericsson GH688 is a mobile phone released by Ericsson in 1997.
The GH688 first announced in March 1997 at the CeBIT ’97 international exhibition. GH688 fully complies with GSM Phase 2 and the feature set was one of the most advanced in the world. Designed for the mobile businessman who often uses a mobile phone and tries to use all the advantages of the GSM standard.
The Ericsson GH688 was considered a very light phone weighing only 160 grams (slim battery) with dimensions of 130 x 49 x 23 mm. The body color is dark gray metallic. The phone featured a 3 x 12 character display, and offered talk time of up to 240 minutes.
GH688 supports improved algorithm of speech coding — EFR: Enhanced Full Rate Coding (wired telephone quality). Thanks to the functions Discontinuous Transmission (DTX) and Discontinuous Reception (DRX) managed to increase talk time and standby time.
