Appendix 1a – Time Zone values for Aastra Phones Time Zone Value AD-Andorra AE-Dubai AG-Antigua AI-Anguilla AL-Tirane AN-Curacao AR-Buenos Aires AS-Pago Pago AT-Vienna AU-Lord Howe AU-Tasmania AU-Melbourne AU-Sydney AU-Broken Hill AU-Brisbane AU-Lindeman AU-Adelaide AU-Darwin AU-Perth AW-Aruba AZ-Baku BA-Sarajevo BB-Barbados BE-Brussels BG-Sofia BM-Bermuda BO-La Paz BR-Noronha BR-Belem BR-Fortaleza BR-Recife BR-Araguaina BR-Maceio BR-Sao Paulo BR-Cuiaba BR-Porto Velho BR-Boa Vista BR-Manaus BR-Eirunepe BR-Rio Branco BS-Nassau BY-Minsk BZ-Belize CA-Newfoundland CA-Atlantic CA-Eastern CA-Saskatchewan CA-Central CA-Mountain CA-Pacific CA-Yukon CH-Zurich CK-Rarotonga CL-Santiago CL-Easter CN-China CO-Bogota

Corresponding Time Zone CET GST AST AST CET AST ART BST CET LHS EST EST EST CST EST EST CST CST WST AST AZT EET AST CET EET AST BOT FNT BRT BRT BRT BRS BRT BRS AMS AMT AMT AMT ACT ACT EST EET CST NST AST EST EST CST MST PST PST CET CKS CLS EAS CST COS

CR-Costa Rica CU-Havana CY-Nicosia CZ-Prague DE-Berlin DK-Copenhagen DM-Dominica DO-Santo Domingo EE-Tallinn ES-Madrid ES-Canary FI-Helsinki FJ-Fiji FK-Stanley FO-Faeroe FR-Paris GB-London GB-Belfast GD-Grenada GE-Tbilisi GF-Cayenne GI-Gibraltar GP-Guadeloupe GR-Athens GS-South Georgia GT-Guatemala GU-Guam GY-Guyana HK-Hong Kong HN-Tegucigalpa HR-Zagreb HT-Port-au-Prince HU-Budapest IE-Dublin IS-Reykjavik IT-Rome JM-Jamaica JP-Tokyo KY-Cayman LC-St Lucia LI-Vaduz LT-Vilnius LU-Luxembourg LV-Riga MC-Monaco MD-Chisinau MK-Skopje MQ-Martinique MS-Montserrat MT-Malta MU-Mauritius MX-Mexico City MX-Cancun MX-Merida MX-Monterrey MX-Mazatlan MX-Chihuahua MX-Hermosillo MX-Tijuana NI-Managua NL-Amsterdam NO-Oslo

CST CST EES CET CET CET AST AST EET CET WET EET NZT FKS WET CET GMT GMT AST GET GFT CET AST EET GST CST CST GYT HKS CST CET EST CET GMT GMT CET EST JST EST AST CET EET CET EET CET EET CET AST AST CET MUT CST CST CST CST MST MST MST PST CST CET CET

NR-Nauru NU-Niue NZ-Auckland NZ-Chatham OM-Muscat PA-Panama PE-Lima PL-Warsaw PR-Puerto Rico PT-Lisbon PT-Madeira PT-Azores PY-Asuncion RO-Bucharest RU-Kaliningrad RU-Moscow RU-Samara RU-Yekaterinburg RU-Omsk RU-Novosibirsk RU-Krasnoyarsk RU-Irkutsk RU-Yakutsk RU-Vladivostok RU-Sakhalin RU-Magadan RU-Kamchatka RU-Anadyr SE-Stockholm SG-Singapore SI-Ljubljana SK-Bratislava SM-San Marino SR-Paramaribo SV-El Salvador TR-Istanbul TT-Port of Spain TW-Taipei UA-Kiev US-Eastern US-Central US-Mountain US-Pacific US-Alaska US-Aleutian US-Hawaii UY-Montevideo VA-Vatican YU-Belgrade

NRT NUT NZS CHA GST EST PES CET AST WET WET AZO PYS EET EET MSK SAM YEK OMS NOV KRA IRK YAK VLA SAK MAG PET ANA CET SGT CET CET CET SRT CST EET AST CST EET EST CST MST PST AKS HAS HST UYS CET CET

Appendix 1b – Time Zone values for Grandstream Phones Time Zone Value 0 60 120 180 240 300 360 420 450 480 510 540 600 660 720 780 840 900 930 960 990 1020 1050 1065 1080 1110 1140 1200 1260 1290 1320 1380 1440 1500

Corresponding GMT-12:00 GMT-11:00 GMT-10:00 GMT-9:00 GMT-8:00 GMT-7:00 GMT-6:00 GMT-5:00 GMT-4:30 GMT-4:00 GMT-3:30 GMT-3:00 GMT-2:00 GMT-1:00 GMT GMT+1:00 GMT+2:00 GMT+3:00 GMT+3:30 GMT+4:00 GMT+4:30 GMT+5:00 GMT+5:30 GMT+5:45 GMT+6:00 GMT+6:30 GMT+7:00 GMT+8:00 GMT+9:00 GMT+9:30 GMT+10:00 GMT+11:00 GMT+12:00 GMT+13:00

Time Zone (International Date Line West) (Midway Island, Samoa) (US Hawaiian Time) (US Alaska Time) (US Pacific Time, Los Angeles) (US Mountain Time, Denver) (US Central Time, Chicago) (US Eastern Time, New York) (Venezuela) (Atlantic Time, Quebec) (Newfoundland) (Greenland) (Mid-Atlantic) (Azores, Cape Verdi Is.) (London, Dublin, Edinburgh, Lisbon, Casablanca, Monrovia) (Paris,Amsterdam, Berlin, Rome, Vienna, Madrid, Warsaw, Brussels) (Israel, Cairo, Athens, Helsinki, Istanbul, Buchrest) (Moscow, Kuwait, Baghdad, Tehran, Nairobi) (Tehran) (Abu Dhabi, Baku) (Kabul) (Islamabad, Ekaterinburg, Karachi, Tashkent) (Chennai, New Delhi, Mumbai) (Kathmandu) (Almaty, Astana. Dhaka, Novosibirsk) (Rangoon) (Bankok, Jakarta, Hanoi, Krasnoyarsk) (Beijing, Singapore, Taipei, Kuala Lumpur, Irkutsk, Perth) (Japan, Korea, Yakutsk) (Adelaide, Darwin) (Brisbane, Sydney, Melbourne, Canberra, Guam, Hobart) (Magadan, Solomon Is., New Caledonia) (Auckland, Wellington, Fiji) (Nuku'alofa)

Appendix 1c – Time Zone Values for Cisco Phones Time Zone Value GMT-12:00 GMT-11:00 GMT-10:00 GMT-09:00 GMT-08:00 GMT-07:00 GMT-06:00 GMT-05:00 GMT-04:00 GMT-03:30 GMT-03:00 GMT-02:00 GMT-01:00 GMT GMT+01:00 GMT+02:00 GMT+03:00 GMT+03:30 GMT+04:00 GMT+05:00 GMT+05:30 GMT+05:45 GMT+06:00 GMT+06:30 GMT+07:00 GMT+08:00 GMT+09:00 GMT+09:30 GMT+10:00 GMT+11:00 GMT+12:00 GMT+13:00

Appendix 1d – Time Zone Values for Polycom Phones Time Zone Value -43200 -39600 -36000 -32400 -28800 -25200 -21600 -18000 -16200 -14400 -12600 -10800 -7200 -3600 0 3600 7200 10800 12600 14400 16200 18000 19800 20700 21600 23400 25200 28800 32400 34200 36000 39600 43200 46800

Corresponding Time Zone GMT-12:00 (International Date Line West) GMT-11:00 (Midway Island, Samoa) GMT-10:00 (US Hawaiian Time) GMT-9:00 (US Alaska Time) GMT-8:00 (US Pacific Time, Los Angeles) GMT-7:00 (US Mountain Time, Denver) GMT-6:00 (US Central Time, Chicago) GMT-5:00 (US Eastern Time, New York) GMT-4:30 (Venezuela) GMT-4:00 (Atlantic Time, Quebec) GMT-3:30 (Newfoundland) GMT-3:00 (Greenland) GMT-2:00 (Mid-Atlantic) GMT-1:00 (Azores, Cape Verdi Is.) GMT (London, Dublin, Edinburgh, Lisbon, Casablanca, Monrovia) GMT+1:00 (Paris, Amsterdam, Berlin, Rome, Vienna, Madrid, Warsaw, Brussels) GMT+2:00 (Israel, Cairo, Athens, Helsinki, Istanbul, Bucharest) GMT+3:00 (Moscow, Kuwait, Baghdad, Tehran, Nairobi) GMT+3:30 (Tehran) GMT+4:00 (Abu Dhabi, Baku) GMT+4:30 (Kabul) GMT+5:00 (Islamabad, Yekaterinburg, Karachi, Tashkent) GMT+5:30 (Chennai, New Delhi, Mumbai) GMT+5:45 (Kathmandu) GMT+6:00 (Almaty, Astana. Dhaka, Novosibirsk) GMT+6:30 (Rangoon) GMT+7:00 (Bangkok, Jakarta, Hanoi, Krasnoyarsk) GMT+8:00 (Beijing, Singapore, Taipei, Kuala Lumpur, Irkutsk, Perth) GMT+9:00 (Japan, Korea, Yakutsk) GMT+9:30 (Adelaide, Darwin) GMT+10:00 (Brisbane, Sydney, Melbourne, Canberra, Guam, Hobart) GMT+11:00 (Magadan, Solomon Is., New Caledonia) GMT+12:00 (Auckland, Wellington, Fiji) GMT+13:00 (Nuku'alofa)

Appendix 1e – Time Zone Values for Yealink Phones Time Zone Value -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +5:30 +6 +7 +8 +9 +9:30 +10 +11 +12

Corresponding Time Zone Midway Island-Samoa Hawaii-French Polynesia-Cook Island Alaska US Pacific US Mountain US Central US Eastern Newfoundland-Venezuela-Chile Brazil-Argentina-Greenland Mid-Atlantic Azores-Cape Verde Islands England-Ireland-Portugal France-Spain-Germany-Netherlands-Poland Turkey-Greece-Finland Moscow-Saudi Arabia Oman Pakistan Sri Lanka-New Delhi-Bombay-Calcutta-Madras India Indonesia China-Philippines-Malaysia Korea-Japan Adelaide East Australia Solomon Islands-Micronesia New Zealand-Marshall Islands-Fiji

Appendix 1f – Time Zone Values for Snom Phones TimeZone Value

Notes

USA-10 USA-9 CAN-8 MEX-8 USA-8 CAN-7 MEX-7 USA2-7

This TimeZone has no DST USA-7

CAN-6 CHL-6 MEX-6 USA-6 BHS-5 CAN-5 CUB-5 USA-5 VEN-4.5 CAN-4 CHL-4 PRY-4 BMU-4 FLK-4 TTB-4 CAN-3.5 GRL-3 ARG-3 BRA2-3 BRA-2 PRT-1 FRO-0 IRL-0 PRT-0 ESP-0 GBR-0 ALB+1 AUT+1 BEL+1 CAI+1 CHA+1 HRV+1 CZE+1 DNK+1 FRA+1 GER+1 HUN+1

This TimeZone has no DST BRA1-3

ITA+1 LUX+1 MAK+1 NLD+1 NAM+1 NOR+1 POL+1 SVK+1 ESP+1 SWE+1 CHE+1 GIB+1 YUG+1 WAT+1 BLR+2 BGR+2 CYP+2 CAT+2 EGY+2 EST+2 FIN+2 GAZ+2 GRC+2 ISR+2 JOR+2 LVA+2 LBN+2 MDA+2 RUS+2 ROU+2 SYR+2 TUR+2 UKR+2 EAT+3 IRQ+3 RUS+3 IRN+3.5 ARM+4 AZE+4 GEO+4 KAZ+4 RUS+4 KAZ+5 KGZ+5 PAK+5 RUS+5 IND+5.5 KAZ+6

RUS+6 RUS+7 THA+7 CHN+7 SGP+8 KOR+8 AUS+8 JPN+9 AUS+9.5 AUS2+9.5 AUS+10 AUS2+10 AUS3+10 RUS+10 AUS+10.5 NCL+11 NZL+12 RUS+12 NZL+12.75 TON+13