INTERCONNECTION TRUNK Updated 26-April-2010 TELECOM CAMBODIA INTERCONNECTION TRUNK Updated 26-April-2010

Diagram Network of Geteway 001 C-Band Gateway Earth Station Intelsat Satellite IS-904-62E Intelsat Satellite IS-906-64E -china -Morocco -Russia --- Reach F3-7.5M C-Band Gateway Earth Station ( International ) -Italy -Autrice -Afghanistan --- Dacom -Germany -Switzerland -United Kingdom --- KDDI -Belgium -Brunei -Canada -India -Indonesia --- Singtel 2A-18M C-Band Gateway Earth Station ( International ) NMS Internet Bandwidth -VDC-100Mbps -FPT-100Mbps -TOT-12Mbps -HGC-100Mbps (POP HK) Submarine Cable AAG O/F Camnet Ericsson NGN PSTN ISP

Satellite Intelsat Carrier IS 906 -64.15E Antenna 2A-18m & IS 902- 62E Antenna F3-7,5m Bayon Earth Station 1Mbps Reach Australia (Transit) France Telecoms AT&T (USA) 512Kbps Chungwa Telecoms (Taiwan) Dacom (Korea) (Transit) 2Mbps KDDI (Japan) (Transit) SingTel (Singapore) (Transit) Malaysia Telecoms CAT (Thailand) Hong Kong (Reach) VTI (Vietnam) Total: 14Mbps Lease Line To Japan 512kbps Lease Line To Singapore 512kbps

Of NGN TELECOM NETWORK DIAGRAM 12 Cores 6 007 001 MOBILE OPERATORS OPTICAL FIBER 30 E 1 GT TEL 22 CADCOMS 16 MOBITEL 240 TMIC 134 MFONE 142 VIETTEL 145 + 2STM STARCELL 27 SMART LATELZ 210 BEELINE 120 TC 45 CAMINTEL 007 001 O / F To Submarine MOBILE OPERATORS FIXED LINE TELECOM NETWORK DIAGRAM Of NGN Ericson Switch 203 Softswicth 392 10 STM Transit Huawei 920 Intelsat International carrier 58 RTI

Operator Connected To National Trunk AXE 106 (Ericsson Switch) Bayon Earth Station 7E1-210Cct Ericsson Switch Local AXE-106 2E1-60Cct ALCATEL -E10B 9E1-270Cc Fetex -150 6E1-180Cct NEC-61E 11E1-330Cct Huawei C & C08 30E1-300Cct Mobitel 12E1-360Cct CASACOM 31E1-310Cct M Fone 6E1180Cct GT TEL 10E1-300Cct Camintel 4E1-123Cct 007 5E1-150Cct 3Tel 008

Operator Destination Trunk Soft Switch Alcatel Lucent Soft Switch MGC 7510 Bayon Earth Station 13 E1-415Cct Ericsson Switch -106 3 E1-95Cct Ericsson Switch -106 Local 70 E1-2170Cct Huawei C&C08 1 E1-31Cct Fetex-150 Bantey Srey nec- 54 E1-1727Cct TMIC 12 E1-372Cct Camintel 60 E1-1919Cct M-Fone 8 E1-240Cct Citic1616 ( International ) 10 E1-319Cct Star Cell 73 E1-2335Cct Mobitel 50 E1-1599Cct SOTELCO 155E1-4958Cct Metfone 14 E1-434Cct Latelz

Local 45E1+interl. Carrier 58E1 TC TRUNK CONNECTION No Operator TS-ERICSSON SOFTSWICTH TS-HUAWEI TOTAL 1 Mobitel 012 30E1 10E1 + 1 STM1 200E1 240E1 + 1 STM1 2 TMIC 016 12E1 54E1 39E1 + 1 STM1 105E1 + 1 STM1 3 MFONE 011 31E1 60E1 72E1 163E1 4 G.TEL 018 6E1   16E1 22E1 5 CADCOMS 013 6 Viettel 097 92E1 + 1 STM1 91E1 + 1 STM1 183E1 + 2 STM1 7 StarCell 098 10E1 17E1 27E1 8 SMART LATELZ 010 14E1 44E1 9 BEELINE 090 50E1 70E1 120E1 10 TC Local 45E1+interl. Carrier 58E1 88E1  184 375E1 11 CAMINTEL 32E1 192 390E1 + 2 STM1 745E1 + 2 STM1 1327E1 + 4 STM1

Traffic Analysis of NGN National Trunks Traffic of March 2010 Carried Code Trunk Group Quantity E1 No. Circuits Traffic Erl. Utilization % Comment TC- IDD 2003 13 415 145.55 40% TC- AXE 2004 3 95 2.05 3% TC- Fetex 2009 1 31 0.85 TC- Bantey Srey 2013 1.49 5% TM (Hello 015,016) 2014 117 3510 428.28 28% Camintel 2039 12 372 6.74 2% TC- Huawei 2069 70 2170 863.49 48% Mobitel 2071 73 2015 1921.63 100% Need more Circuits Latelz 2087 10 319 157.10 45% Beeline 2097 50 1,599 369.96 24% StarCell 2100 28.67 10% M- Fone 2123 60 1,919 622.14 37% MetFone 2139 92 2,943 543.83 30% 2138 126 3780 1599.91 58% TOTAL: E1 & Ccts 571 17,130 Value Utilization > 80% Need more circuits Mobitel: 73E1 But 10E1 is not working Is using 63E1=2015Circuits

Telecom Cambodia have 3 Transit Switch as followed : -Transit Switch Huawei : 846E1 + 2STM1 -Transit Switch Softswitch : 392E1 + 10STM1 -Transit Switch Ericsson : 203 E1 - Total Capacity : 1441E1 +12STM1 - Total Capacity used : 1315E1 +6STM1 - Total Capacity Remaining : 126E1 + 6STM1 In Order :100E1+ 2STM1 Transit Switch Huawei TC has Enough Capacity Of E1 to Provide to all Operators as need.

National Trunk Traffic of March 2010 Code Trunk group No. Ccts Quantity Utilization No.Ccts 80% Traffic Erl. Efficiency Comment E1 % (a) Carried (b) (b)/(a)   TM (Hello 015&016) 2014 3510 117 28% 1382 428.28 0.31 Camintel 2039 319 10 2% 255 6.74 0.03 Mobitel 2071 2015 73 100% 1,921.63 1.19 Need more Circuits Latelz 2087 45% 157.10 0.62 Beeline 2097 1599 50 24% 1279 369.96 0.29 StarCell 2100 10% 28.67 0.11 M-Fone 2123 1919 60 37% 1536 622.14 0.41 Metfone (Viettel) 2155 2943 92 30% 2354 543.83 0.23 2138 3780 126 58% 1612 1,599.91 0.99 Value Efficiency = 1 Utilization> 80% need more Circuits Mobitel : 73E1 But 10E1 is not working Is using 63E1=2015Circuits 10

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